Delete message class

This error can no longer be raised.

Author: odersky

compiler/src/dotty/tools/dotc/reporting/diagnostic/ErrorMessageID.java

@@ -50,7 +50,7 @@ public enum ErrorMessageID {
     ExpectedTokenButFoundID,
     MixedLeftAndRightAssociativeOpsID,
     CantInstantiateAbstractClassOrTraitID,
-    AnnotatedPrimaryConstructorRequiresModifierOrThisID,
+    DUMMY_AVAILABLE_1,
     OverloadedOrRecursiveMethodNeedsResultTypeID,
     RecursiveValueNeedsResultTypeID,
     CyclicReferenceInvolvingID,

compiler/src/dotty/tools/dotc/reporting/diagnostic/messages.scala

@@ -1135,21 +1135,6 @@ object messages {
            |""".stripMargin
   }
 
-  case class AnnotatedPrimaryConstructorRequiresModifierOrThis(cls: Name)(implicit ctx: Context)
-  extends Message(AnnotatedPrimaryConstructorRequiresModifierOrThisID) {
-    val kind = "Syntax"
-    val msg = hl"""${"private"}, ${"protected"}, or ${"this"} expected for annotated primary constructor"""
-    val explanation =
-      hl"""|When using annotations with a primary constructor of a class,
-           |the annotation must be followed by an access modifier
-           |(${"private"} or ${"protected"}) or ${"this"}.
-           |
-           |For example:
-           |  ${"class Sample @deprecated this(param: Parameter) { ..."}
-           |                           ^^^^
-           |""".stripMargin
-  }
-
   case class OverloadedOrRecursiveMethodNeedsResultType(tree: Names.TermName)(implicit ctx: Context)
   extends Message(OverloadedOrRecursiveMethodNeedsResultTypeID) {
     val kind = "Syntax"
@@ -1277,7 +1262,7 @@ object messages {
           |$noParameters""".stripMargin
 
   }
-                        
+
   case class AmbiguousOverload(tree: tpd.Tree, alts: List[SingleDenotation], pt: Type)(
     err: typer.ErrorReporting.Errors)(
     implicit ctx: Context)
@@ -1296,7 +1281,7 @@ object messages {
            |- adding a type ascription as in `${"instance.myMethod: String => Int"}`
            |"""
   }
-                        
+
   case class ReassignmentToVal(name: Names.Name)(implicit ctx: Context)
     extends Message(ReassignmentToValID) {
     val kind = "Reference"