cbuildbot_config.py: make lumpy incremental paladin important

BUG=chromium:339329
TEST=unit tests

Change-Id: Iedfa1069db1d5ec0ee6e9e9f29c5f8ec7c6f367d
Reviewed-on: https://chromium-review.googlesource.com/185756
Tested-by: Aviv Keshet <akeshet@chromium.org>
Reviewed-by: David James <davidjames@chromium.org>
Commit-Queue: Aviv Keshet <akeshet@chromium.org>
diff --git a/buildbot/cbuildbot_config.py b/buildbot/cbuildbot_config.py
index e4f98e3..510680a 100755
--- a/buildbot/cbuildbot_config.py
+++ b/buildbot/cbuildbot_config.py
@@ -1476,7 +1476,6 @@
   build_before_patching=True,
   chroot_replace=False,
   compilecheck=True,
-  important=False,
   unittests=False,
 )