git cl try: --use-rietveld no longer supported.

git_cl.py

Index: git_cl.py
diff --git a/git_cl.py b/git_cl.py
index 99abda91664ca015470b172e72c7ee2308bbaec0..ac9a17b66fe0f67e197762e046d47823e34fa7b4 100755
--- a/git_cl.py
+++ b/git_cl.py
@@ -4656,7 +4656,7 @@ def CMDtry(parser, args):
   # TODO(tandrii): get rid of this.
   group.add_option(
       '--use-rietveld', action='store_true', default=False,
-      help='Use Rietveld to trigger try jobs.')
+      help='DEPRECATED, NOT SUPPORTED.')
   group.add_option(
       '--buildbucket-host', default='cr-buildbucket.appspot.com',
       help='Host of buildbucket. The default host is %default.')
@@ -4665,8 +4665,8 @@ def CMDtry(parser, args):
   options, args = parser.parse_args(args)
   auth_config = auth.extract_auth_config_from_options(options)
 
-  if options.use_rietveld and options.properties:
-    parser.error('Properties can only be specified with buildbucket')
+  if options.use_rietveld:
+    parser.error('--use-rietveld is not longer supported.')
 
   # Make sure that all properties are prop=value pairs.
   bad_params = [x for x in options.properties if '=' not in x]