Remove anemic indirection

lib/action_cable/connection/base.rb

@@ -81,11 +81,6 @@ def transmit(data)
         @websocket.send data
       end
 
-
-      def handle_exception
-        close
-      end
-
       def close
         logger.error "Closing connection"
         @websocket.close

lib/action_cable/connection/internal_channel.rb

@@ -37,7 +37,7 @@ def process_internal_message(message)
           logger.error "There was an exception - #{e.class}(#{e.message})"
           logger.error e.backtrace.join("\n")
 
-          handle_exception
+          close
         end
     end
   end