Enable (and disable) more rubocops

app/controllers/application_controller.rb

@@ -181,7 +181,7 @@ def event_filter
   end
 
   def gitlab_ldap_access(&block)
-    Gitlab::LDAP::Access.open { |access| block.call(access) }
+    Gitlab::LDAP::Access.open { |access| yield(access) }
   end
 
   # JSON for infinite scroll via Pager object