Revert "Parts must start with 'part of'" and "Attempt to fix VM build"

dart/compiler/javatests/com/google/dart/compiler/end2end/inc/my.dart

 // 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.
-part of myApp;
 
 var x = 0, y = 1;
 void fn() { /* ... */ }
 
 class Spoo<T> {
   Spoo() { }
   Spoo.other() { }
 }
 
 main() {
@@ skipping 39 matching lines @@
 
   int bar() {
     // qualified reference
     return super.not_hole.contents;
   }
 }
 
 // Reference Other4 using it as a type parameter bound.
 class Bar<T extends Other4> {
 }