No need for explicit return of handler

Author: adityapandit17

activerecord/lib/active_record/query_logs.rb

@@ -181,7 +181,6 @@ def rebuild_handlers
             end
           end
           handlers.sort_by! { |(key, _)| key.to_s }
-          handlers
         end
 
         def build_handler(name, handler = nil)