Remove deadline for --local flag requirement.

BUG=chromium-os:32378
TEST=Ran locally

Change-Id: Ideb6e07460749f26866f9c3245b1b180dc80dc4e
Reviewed-on: https://gerrit.chromium.org/gerrit/26976
Reviewed-by: Brian Harring <ferringb@chromium.org>
Commit-Ready: Ryan Cui <rcui@chromium.org>
Tested-by: Ryan Cui <rcui@chromium.org>
diff --git a/scripts/cbuildbot.py b/scripts/cbuildbot.py
index 6e1fd03..5a72558 100644
--- a/scripts/cbuildbot.py
+++ b/scripts/cbuildbot.py
@@ -1090,7 +1090,7 @@
         'Running in LOCAL TRYBOT mode!  Use --remote to submit REMOTE '
         'tryjobs.  Use --local to suppress this message.')
     cros_build_lib.Warning(
-        'Starting April 30th, --local will be required to run the local '
+        'In the future, --local will be required to run the local '
         'trybot.')
     time.sleep(5)