Remove tests for generalized tear-offs.

tests/language_strong/tearoff_basic_lib.dart

Index: tests/language_strong/tearoff_basic_lib.dart
diff --git a/tests/language_strong/tearoff_basic_lib.dart b/tests/language_strong/tearoff_basic_lib.dart
deleted file mode 100644
index fe9fc075f024200a584dc3734f91759f75608b0c..0000000000000000000000000000000000000000
--- a/tests/language_strong/tearoff_basic_lib.dart
+++ /dev/null
@@ -1,17 +0,0 @@
-// Copyright (c) 2015, 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.
-
-library tearoff_basic_lib;
-
-cfunc() => "cfunc";
-
-set cset(a) { cvar = a; }
-
-get cget => "cget";
-
-var cvar = 1+2+3;
-
-final cfinvar = "set in stone";
-
-class ZZ { }