Remove stale dependencies on dart2js scripts.

dart/utils/compiler/remove_old_scripts.py

Index: dart/utils/compiler/remove_old_scripts.py
diff --git a/dart/utils/compiler/remove_old_scripts.py b/dart/utils/compiler/remove_old_scripts.py
new file mode 100644
index 0000000000000000000000000000000000000000..ffa6400892ad71070ba151eb8e57603ea75e033e
--- /dev/null
+++ b/dart/utils/compiler/remove_old_scripts.py
@@ -0,0 +1,28 @@
+#!/usr/bin/env python
+# 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.
+
+'''
+Tool for deleting files given on the command line, and touching a
+file on success.
+
+Usage:
+  python tools/list_files.py FILE_TO_TOUCH FILES_TO_DELETE...

[kustermann, 2012/12/06 15:51:40]

You should change that to "remove_old_scripts.py".

+'''
+
+import os
+import sys
+
+
+def main(argv):
+  file_to_touch = argv[1]
+  for filename in argv[2:]:
+    if os.path.exists(filename):
+      os.remove(filename)
+  with file(file_to_touch, 'a'):
+    os.utime(file_to_touch, None)
+
+
+if __name__ == '__main__':
+  sys.exit(main(sys.argv))