Do not shutdown output buffer in register_shutdown function
See the test for bug30578
@@ -44,9 +44,6 @@ static PHP_METHOD(Swow_Event, wait)
/* user space (we simulate main exit here) */
swow_defer_do_main_tasks();
-#ifdef SWOW_COROUTINE_SWAP_OUTPUT_GLOBALS
- swow_output_globals_fast_shutdown();
-#endif
/* TODO: remove from coroutine map */
/* internal space */
