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

dart/samples/dartcombat/setup.dart

-part of dartcombatlib;
-
 // Copyright (c) 2012, 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.
 
 /** Entrypoint to set up the dartcombat sample. */
 void setUpGame() {
   setupUI();
   createPlayers();
 }
 
@@ skipping 74 matching lines @@
           _target.send(message, reply);
         }
       }, 200);
     });
   }
 
   // TODO(sigmund): introduce UI to control flakiness, then do:
   // => Math.random() > 0.9;
   bool randomlyFail() => false;
 }