KT-156 Fix the this<Super> syntax

In progress: super<List> must work, but currently it does not, only super<List<Foo>> works, where Foo is ignored.

compiler/frontend.java/src/org/jetbrains/jet/lang/resolve/java/JavaClassMembersScope.java

@@ -51,11 +51,6 @@ public class JavaClassMembersScope implements JetScope {
         return null;
     }
 
-    @Override
-    public DeclarationDescriptor getDeclarationDescriptorForUnqualifiedThis() {
-        throw new UnsupportedOperationException();
-    }
-
     @Override
     public ClassifierDescriptor getClassifier(@NotNull String name) {
         ClassifierDescriptor classifierDescriptor = classifiers.get(name);