Remove dartc optimizing backend.

dart/compiler/javatests/com/google/dart/compiler/vm/DartTests.java

Index: dart/compiler/javatests/com/google/dart/compiler/vm/DartTests.java
diff --git a/dart/compiler/javatests/com/google/dart/compiler/vm/DartTests.java b/dart/compiler/javatests/com/google/dart/compiler/vm/DartTests.java
deleted file mode 100644
index d582ce6a8e8774277e3e6e9b9e9109f063fc52b5..0000000000000000000000000000000000000000
--- a/dart/compiler/javatests/com/google/dart/compiler/vm/DartTests.java
+++ /dev/null
@@ -1,26 +0,0 @@
-// Copyright (c) 2011, 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.
-
-package com.google.dart.compiler.vm;
-
-import junit.extensions.TestSetup;
-import junit.framework.Test;
-import junit.framework.TestSuite;
-
-/**
- * @author floitsch@google.com (Florian Loitsch)
- */
-public class DartTests extends TestSetup {
-
-  public DartTests(TestSuite test) {
-    super(test);
-  }
-
-  public static Test suite() {
-    TestSuite suite = new TestSuite("Dart imported vm test suite.");
-
-    suite.addTestSuite(ImportedDartTests.class);
-    return new DartTests(suite);
-  }
-}