Revert of RELAND of Cross-repo recipe package system.

scripts/slave/unittests/recipe_lint_test.py

 #!/usr/bin/env python
 # Copyright (c) 2013 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import os
 import sys
 
+import test_env  # pylint: disable=W0403,W0611
+
+from recipe_engine import lint_test
+from slave import recipe_universe
+
 MODULES_WHITELIST = [
   # TODO(luqui): Move skia modules into recipe resources
   r'common\.skia\..*',
   r'slave\.skia\..*',
 
   # TODO(luqui): Move cros modules into recipe resources
   r'common\.cros_chromite',
 ]
 
-RECIPES_PY = os.path.join(
-    os.path.dirname(os.path.dirname(os.path.realpath(__file__))),
-    'recipes.py')
-
-args = [sys.argv[0], 'lint']
-for pattern in MODULES_WHITELIST:
-  args.extend(['-w', pattern])
-os.execvp(RECIPES_PY, args)
-
+if __name__ == '__main__':
+  lint_test.main(recipe_universe.get_universe(), whitelist=MODULES_WHITELIST)