Revert "Adjusts dart2js backend to handle method type arguments."

tests/language/generic_methods_function_type_test.dart

Index: tests/language/generic_methods_function_type_test.dart
diff --git a/tests/language/generic_methods_function_type_test.dart b/tests/language/generic_methods_function_type_test.dart
deleted file mode 100644
index 17a4c1a366c1caec0ce7b5757af48f2270e4d99c..0000000000000000000000000000000000000000
--- a/tests/language/generic_methods_function_type_test.dart
+++ /dev/null
@@ -1,23 +0,0 @@
-// Copyright (c) 2016, the Dart project authors.  Please see the AUTHORS file
-// for details. All rights reserved. Use of this source code is governed by a
-// BSD-style license that can be found in the LICENSE file.
-//
-// DartOptions=--generic-method-syntax
-
-/// Dart test on the usage of method type arguments in a function typed
-/// parameter declaration.
-
-library generic_methods_function_type_test;
-
-import "package:expect/expect.dart";
-
-class C<V> {
-  U m1<U>(U f(V v), V v) => f(v);
-  V m2<U>(V f(U v), U u) => f(u);
-}
-
-main() {
-  Expect.equals(new C<int>().m1<int>((x) => x, 10), 10);
-  Expect.equals(new C<int>().m2<int>((x) => x, 20), 20);
-}
-