Disable Rails/LexicallyScopedActionFilter cop

This just doesn't seem to be sensible to have since resources_controller
defines all the CRUD actions, and as soon as all our controllers inherit
from resources_controller, they won't be rubocop compliant because of
this.

Author: chaimann

.rubocop.yml

@@ -351,3 +351,6 @@ Rails/FindEach:
 # tasks should load the rails environment loaded.
 Rails/RakeEnvironment:
   Enabled: false
+
+Rails/LexicallyScopedActionFilter:
+  Enabled: false