Revert "Fix super noSuchMethod handling."

pkg/compiler/lib/src/resolution/semantic_visitor_mixins.dart

Index: pkg/compiler/lib/src/resolution/semantic_visitor_mixins.dart
diff --git a/pkg/compiler/lib/src/resolution/semantic_visitor_mixins.dart b/pkg/compiler/lib/src/resolution/semantic_visitor_mixins.dart
index 75272f311f4bd4ced4b72f92bfdadec74d4facd3..5e15a7dcd36af84a8d024e69fe8af6d73f6f2fbb 100644
--- a/pkg/compiler/lib/src/resolution/semantic_visitor_mixins.dart
+++ b/pkg/compiler/lib/src/resolution/semantic_visitor_mixins.dart
@@ -2650,15 +2650,6 @@ abstract class SetBulkMixin<R, A>
       A arg) {
     return bulkHandleSet(node, arg);
   }
-
-  @override
-  R visitUnresolvedSuperSet(
-      Send node,
-      Element element,
-      Node rhs,
-      A arg) {
-    return bulkHandleSet(node, arg);
-  }
 }
 
 /// Mixin that implements all `visitXIndexSet` methods of [SemanticSendVisitor]
@@ -3341,15 +3332,6 @@ abstract class SuperBulkMixin<R, A>
   }
 
   @override
-  R visitUnresolvedSuperSet(
-      Send node,
-      Element element,
-      Node rhs,
-      A arg) {
-    return bulkHandleSuper(node, arg);
-  }
-
-  @override
   R visitUnresolvedSuperInvoke(
       Send node,
       Element function,
@@ -4516,16 +4498,6 @@ class TraversalSendMixin<R, A> implements SemanticSendVisitor<R, A> {
   }
 
   @override
-  R visitUnresolvedSuperSet(
-      Send node,
-      Element element,
-      Node rhs,
-      A arg) {
-    apply(rhs, arg);
-    return null;
-  }
-
-  @override
   R visitUnresolvedSuperInvoke(
       Send node,
       Element function,