fix three left-over references to deleted rule 1:12

Author: rkuhn

tck/src/main/java/org/reactivestreams/tck/PublisherVerification.java

@@ -549,7 +549,7 @@ public void run(Publisher<T> pub) throws Throwable {
     });
   }
 
-  // Verifies rule: https://github.com/reactive-streams/reactive-streams#1.12
+  // Verifies rule: https://github.com/reactive-streams/reactive-streams#1.11
   @Override @Test
   public void optional_spec111_multicast_mustProduceTheSameElementsInTheSameSequenceToAllOfItsSubscribersWhenRequestingOneByOne() throws Throwable {
     optionalActivePublisherTest(5, true, new PublisherTestRun<T>() { // This test is skipped if the publisher is unbounded (never sends onComplete)
@@ -600,7 +600,7 @@ public void run(Publisher<T> pub) throws InterruptedException {
     });
   }
 
-  // Verifies rule: https://github.com/reactive-streams/reactive-streams#1.12
+  // Verifies rule: https://github.com/reactive-streams/reactive-streams#1.11
   @Override @Test
   public void optional_spec111_multicast_mustProduceTheSameElementsInTheSameSequenceToAllOfItsSubscribersWhenRequestingManyUpfront() throws Throwable {
     optionalActivePublisherTest(3, false, new PublisherTestRun<T>() { // This test is skipped if the publisher cannot produce enough elements
@@ -633,7 +633,7 @@ public void run(Publisher<T> pub) throws Throwable {
     });
   }
 
-  // Verifies rule: https://github.com/reactive-streams/reactive-streams#1.12
+  // Verifies rule: https://github.com/reactive-streams/reactive-streams#1.11
   @Override @Test
   public void optional_spec111_multicast_mustProduceTheSameElementsInTheSameSequenceToAllOfItsSubscribersWhenRequestingManyUpfrontAndCompleteAsExpected() throws Throwable {
     optionalActivePublisherTest(3, true, new PublisherTestRun<T>() { // This test is skipped if the publisher is unbounded (never sends onComplete)