Remove test for packages with ':' in the name.

tests/standalone/package/scenarios/packages_file_strange_formatting/target_with_colon_test.dart

Index: tests/standalone/package/scenarios/packages_file_strange_formatting/target_with_colon_test.dart
diff --git a/tests/standalone/package/scenarios/packages_file_strange_formatting/target_with_colon_test.dart b/tests/standalone/package/scenarios/packages_file_strange_formatting/target_with_colon_test.dart
deleted file mode 100644
index 6a3985b374300b245af4db3d948b20d98640df6c..0000000000000000000000000000000000000000
--- a/tests/standalone/package/scenarios/packages_file_strange_formatting/target_with_colon_test.dart
+++ /dev/null
@@ -1,16 +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.
-
-// PackageRoot=none
-// Packages=target_with_colon.packages
-
-library target_with_colon_test;
-
-import 'package:quux/quux.dart' as quux;
-
-main() {
-  if (quux.quux != 'quux') {
-    throw new Exception('package "quux" was not resolved correctly');
-  }
-}