Don't disable LCD updates in menu_item_function_P

Firmware/menu.cpp

@@ -384,9 +384,7 @@ uint8_t menu_item_function_P(const char* str, char number, void (*func)(uint8_t)
         {
             menu_clicked = false;
             lcd_consume_click();
-            lcd_update_enabled = 0;
             if (func) func(fn_par);
-            lcd_update_enabled = 1;
             return menu_item_ret();
         }
     }