Revert of Cross-repo recipe package system.

scripts/slave/unittests/recipe_lint_test.py

Index: scripts/slave/unittests/recipe_lint_test.py
diff --git a/scripts/slave/unittests/recipe_lint_test.py b/scripts/slave/unittests/recipe_lint_test.py
index 9c74340aa75f6edfdb29f5080d7bf8c805c5df4f..258cce4d9267dcd2828953cf5bcea4eb747106f8 100755
--- a/scripts/slave/unittests/recipe_lint_test.py
+++ b/scripts/slave/unittests/recipe_lint_test.py
@@ -5,6 +5,11 @@
 
 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
@@ -15,12 +20,5 @@
   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)