Revert "Add support for metadata on type variables to Fasta parser."

pkg/compiler/lib/src/parser/member_listener.dart

Index: pkg/compiler/lib/src/parser/member_listener.dart
diff --git a/pkg/compiler/lib/src/parser/member_listener.dart b/pkg/compiler/lib/src/parser/member_listener.dart
index 2346ebff1b1a389cfe186f075d0ead25dd8cf511..202fba311c4e9e139b42f1785a3aac1ca3597010 100644
--- a/pkg/compiler/lib/src/parser/member_listener.dart
+++ b/pkg/compiler/lib/src/parser/member_listener.dart
@@ -156,10 +156,6 @@ class MemberListener extends NodeListener {
   @override
   void endMetadata(Token beginToken, Token periodBeforeName, Token endToken) {
     super.endMetadata(beginToken, periodBeforeName, endToken);
-    // TODO(paulberry,ahe): type variable metadata should not be ignored.  See
-    // dartbug.com/5841.
-    if (!inTypeVariable) {
-      pushMetadata(new PartialMetadataAnnotation(beginToken, endToken));
-    }
+    pushMetadata(new PartialMetadataAnnotation(beginToken, endToken));
   }
 }