Remove obsolete role attributes for tab groups in the reference manual

Since we now use asciidoctor-tabs instead of spring-asciidoctor-backends,
we no longer need the `role="primary"` and `role="secondary"` attributes
for tab groups.

Closes gh-33506

Author: sbrannen

framework-docs/modules/ROOT/pages/core/aop-api/advice.adoc

@@ -58,7 +58,7 @@ The following example shows a simple `MethodInterceptor` implementation:
 ======
 Java::
 +
-[source,java,indent=0,subs="verbatim,quotes",role="primary"]
+[source,java,indent=0,subs="verbatim,quotes"]
 ----
 	public class DebugInterceptor implements MethodInterceptor {
 
@@ -73,7 +73,7 @@ Java::
 
 Kotlin::
 +
-[source,kotlin,indent=0,subs="verbatim,quotes",role="secondary"]
+[source,kotlin,indent=0,subs="verbatim,quotes"]
 ----
 	class DebugInterceptor : MethodInterceptor {
 
@@ -139,7 +139,7 @@ The following example shows a before advice in Spring, which counts all method i
 ======
 Java::
 +
-[source,java,indent=0,subs="verbatim,quotes",role="primary"]
+[source,java,indent=0,subs="verbatim,quotes"]
 ----
 	public class CountingBeforeAdvice implements MethodBeforeAdvice {
 
@@ -157,7 +157,7 @@ Java::
 
 Kotlin::
 +
-[source,kotlin,indent=0,subs="verbatim,quotes",role="secondary"]
+[source,kotlin,indent=0,subs="verbatim,quotes"]
 ----
 	class CountingBeforeAdvice : MethodBeforeAdvice {
 
@@ -197,7 +197,7 @@ The following advice is invoked if a `RemoteException` is thrown (including from
 ======
 Java::
 +
-[source,java,indent=0,subs="verbatim,quotes",role="primary"]
+[source,java,indent=0,subs="verbatim,quotes"]
 ----
 	public class RemoteThrowsAdvice implements ThrowsAdvice {
 
@@ -209,7 +209,7 @@ Java::
 
 Kotlin::
 +
-[source,kotlin,indent=0,subs="verbatim,quotes",role="secondary"]
+[source,kotlin,indent=0,subs="verbatim,quotes"]
 ----
 	class RemoteThrowsAdvice : ThrowsAdvice {
 
@@ -228,7 +228,7 @@ arguments, and target object. The following advice is invoked if a `ServletExcep
 ======
 Java::
 +
-[source,java,indent=0,subs="verbatim,quotes",role="primary"]
+[source,java,indent=0,subs="verbatim,quotes"]
 ----
 	public class ServletThrowsAdviceWithArguments implements ThrowsAdvice {
 
@@ -240,7 +240,7 @@ Java::
 
 Kotlin::
 +
-[source,kotlin,indent=0,subs="verbatim,quotes",role="secondary"]
+[source,kotlin,indent=0,subs="verbatim,quotes"]
 ----
 	class ServletThrowsAdviceWithArguments : ThrowsAdvice {
 
@@ -259,7 +259,7 @@ methods can be combined in a single class. The following listing shows the final
 ======
 Java::
 +
-[source,java,indent=0,subs="verbatim,quotes",role="primary"]
+[source,java,indent=0,subs="verbatim,quotes"]
 ----
 	public static class CombinedThrowsAdvice implements ThrowsAdvice {
 
@@ -275,7 +275,7 @@ Java::
 
 Kotlin::
 +
-[source,kotlin,indent=0,subs="verbatim,quotes",role="secondary"]
+[source,kotlin,indent=0,subs="verbatim,quotes"]
 ----
 	class CombinedThrowsAdvice : ThrowsAdvice {
 
@@ -326,7 +326,7 @@ not thrown exceptions:
 ======
 Java::
 +
-[source,java,indent=0,subs="verbatim,quotes",role="primary"]
+[source,java,indent=0,subs="verbatim,quotes"]
 ----
 	public class CountingAfterReturningAdvice implements AfterReturningAdvice {
 
@@ -345,7 +345,7 @@ Java::
 
 Kotlin::
 +
-[source,kotlin,indent=0,subs="verbatim,quotes",role="secondary"]
+[source,kotlin,indent=0,subs="verbatim,quotes"]
 ----
 	class CountingAfterReturningAdvice : AfterReturningAdvice {
 
@@ -420,7 +420,7 @@ introduce the following interface to one or more objects:
 ======
 Java::
 +
-[source,java,indent=0,subs="verbatim,quotes",role="primary"]
+[source,java,indent=0,subs="verbatim,quotes"]
 ----
 	public interface Lockable {
 		void lock();
@@ -431,7 +431,7 @@ Java::
 
 Kotlin::
 +
-[source,kotlin,indent=0,subs="verbatim,quotes",role="secondary"]
+[source,kotlin,indent=0,subs="verbatim,quotes"]
 ----
 	interface Lockable {
 		fun lock()
@@ -480,7 +480,7 @@ The following example shows the example `LockMixin` class:
 ======
 Java::
 +
-[source,java,indent=0,subs="verbatim,quotes",role="primary"]
+[source,java,indent=0,subs="verbatim,quotes"]
 ----
 	public class LockMixin extends DelegatingIntroductionInterceptor implements Lockable {
 
@@ -510,7 +510,7 @@ Java::
 
 Kotlin::
 +
-[source,kotlin,indent=0,subs="verbatim,quotes",role="secondary"]
+[source,kotlin,indent=0,subs="verbatim,quotes"]
 ----
 	class LockMixin : DelegatingIntroductionInterceptor(), Lockable {
 
@@ -556,7 +556,7 @@ The following example shows our `LockMixinAdvisor` class:
 ======
 Java::
 +
-[source,java,indent=0,subs="verbatim,quotes",role="primary"]
+[source,java,indent=0,subs="verbatim,quotes"]
 ----
 	public class LockMixinAdvisor extends DefaultIntroductionAdvisor {
 
@@ -568,7 +568,7 @@ Java::
 
 Kotlin::
 +
-[source,kotlin,indent=0,subs="verbatim,quotes",role="secondary"]
+[source,kotlin,indent=0,subs="verbatim,quotes"]
 ----
 	class LockMixinAdvisor : DefaultIntroductionAdvisor(LockMixin(), Lockable::class.java)
 ----

framework-docs/modules/ROOT/pages/core/aop-api/advised.adoc

@@ -10,7 +10,7 @@ following methods:
 ======
 Java::
 +
-[source,java,indent=0,subs="verbatim,quotes",role="primary"]
+[source,java,indent=0,subs="verbatim,quotes"]
 ----
 	Advisor[] getAdvisors();
 
@@ -35,7 +35,7 @@ Java::
 
 Kotlin::
 +
-[source,kotlin,indent=0,subs="verbatim,quotes",role="secondary"]
+[source,kotlin,indent=0,subs="verbatim,quotes"]
 ----
 	fun getAdvisors(): Array<Advisor>
 
@@ -90,7 +90,7 @@ manipulating its advice:
 ======
 Java::
 +
-[source,java,indent=0,subs="verbatim,quotes",role="primary"]
+[source,java,indent=0,subs="verbatim,quotes"]
 ----
 	Advised advised = (Advised) myObject;
 	Advisor[] advisors = advised.getAdvisors();
@@ -110,7 +110,7 @@ Java::
 
 Kotlin::
 +
-[source,kotlin,indent=0,subs="verbatim,quotes",role="secondary"]
+[source,kotlin,indent=0,subs="verbatim,quotes"]
 ----
 	val advised = myObject as Advised
 	val advisors = advised.advisors

framework-docs/modules/ROOT/pages/core/aop-api/pfb.adoc

@@ -196,14 +196,14 @@ follows:
 ======
 Java::
 +
-[source,java,indent=0,subs="verbatim,quotes",role="primary"]
+[source,java,indent=0,subs="verbatim,quotes"]
 ----
 	Person person = (Person) factory.getBean("person");
 ----
 
 Kotlin::
 +
-[source,kotlin,indent=0,subs="verbatim,quotes",role="secondary"]
+[source,kotlin,indent=0,subs="verbatim,quotes"]
 ----
 	val person = factory.getBean("person") as Person
 ----

framework-docs/modules/ROOT/pages/core/aop-api/pointcuts.adoc

@@ -187,7 +187,7 @@ following example shows how to subclass `StaticMethodMatcherPointcut`:
 ======
 Java::
 +
-[source,java,indent=0,subs="verbatim,quotes",role="primary"]
+[source,java,indent=0,subs="verbatim,quotes"]
 ----
 	class TestStaticPointcut extends StaticMethodMatcherPointcut {
 
@@ -199,7 +199,7 @@ Java::
 
 Kotlin::
 +
-[source,kotlin,indent=0,subs="verbatim,quotes",role="secondary"]
+[source,kotlin,indent=0,subs="verbatim,quotes"]
 ----
 	class TestStaticPointcut : StaticMethodMatcherPointcut() {
 

framework-docs/modules/ROOT/pages/core/aop-api/prog.adoc

@@ -12,7 +12,7 @@ interceptor and one advisor:
 ======
 Java::
 +
-[source,java,indent=0,subs="verbatim,quotes",role="primary"]
+[source,java,indent=0,subs="verbatim,quotes"]
 ----
 	ProxyFactory factory = new ProxyFactory(myBusinessInterfaceImpl);
 	factory.addAdvice(myMethodInterceptor);
@@ -22,7 +22,7 @@ Java::
 
 Kotlin::
 +
-[source,kotlin,indent=0,subs="verbatim,quotes",role="secondary"]
+[source,kotlin,indent=0,subs="verbatim,quotes"]
 ----
 	val factory = ProxyFactory(myBusinessInterfaceImpl)
 	factory.addAdvice(myMethodInterceptor)

framework-docs/modules/ROOT/pages/core/aop-api/targetsource.adoc

@@ -38,15 +38,15 @@ You can change the target by using the `swap()` method on HotSwappableTargetSour
 ======
 Java::
 +
-[source,java,indent=0,subs="verbatim,quotes",role="primary"]
+[source,java,indent=0,subs="verbatim,quotes"]
 ----
 	HotSwappableTargetSource swapper = (HotSwappableTargetSource) beanFactory.getBean("swapper");
 	Object oldTarget = swapper.swap(newTarget);
 ----
 
 Kotlin::
 +
-[source,kotlin,indent=0,subs="verbatim,quotes",role="secondary"]
+[source,kotlin,indent=0,subs="verbatim,quotes"]
 ----
 	val swapper = beanFactory.getBean("swapper") as HotSwappableTargetSource
 	val oldTarget = swapper.swap(newTarget)
@@ -152,15 +152,15 @@ The cast is defined as follows:
 ======
 Java::
 +
-[source,java,indent=0,subs="verbatim,quotes",role="primary"]
+[source,java,indent=0,subs="verbatim,quotes"]
 ----
 	PoolingConfig conf = (PoolingConfig) beanFactory.getBean("businessObject");
 	System.out.println("Max pool size is " + conf.getMaxSize());
 ----
 
 Kotlin::
 +
-[source,kotlin,indent=0,subs="verbatim,quotes",role="secondary"]
+[source,kotlin,indent=0,subs="verbatim,quotes"]
 ----
 	val conf = beanFactory.getBean("businessObject") as PoolingConfig
 	println("Max pool size is " + conf.maxSize)

framework-docs/modules/ROOT/pages/core/aop/aspectj-programmatic.adoc

@@ -15,7 +15,7 @@ The basic usage for this class is very simple, as the following example shows:
 ======
 Java::
 +
-[source,java,indent=0,subs="verbatim",role="primary"]
+[source,java,indent=0,subs="verbatim"]
 ----
 	// create a factory that can generate a proxy for the given target object
 	AspectJProxyFactory factory = new AspectJProxyFactory(targetObject);
@@ -34,7 +34,7 @@ Java::
 
 Kotlin::
 +
-[source,kotlin,indent=0,subs="verbatim",role="secondary"]
+[source,kotlin,indent=0,subs="verbatim"]
 ----
 	// create a factory that can generate a proxy for the given target object
 	val factory = AspectJProxyFactory(targetObject)