Revert "fix(backend): Misskeyのバックエンドプロセスが終了しない"

This reverts commit 11c9e193a4.

io フォークで修正済みのため、多分正常に終了してくれたほうが嬉しい

packages/backend/src/boot/common.ts

@@ -17,6 +17,7 @@ export async function server() {
 	const app = await NestFactory.createApplicationContext(MainModule, {
 		logger: new NestLogger(),
 	});
+	app.enableShutdownHooks();
 
 	const serverService = app.get(ServerService);
 	await serverService.launch();
@@ -34,6 +35,7 @@ export async function jobQueue() {
 	const jobQueue = await NestFactory.createApplicationContext(QueueProcessorModule, {
 		logger: new NestLogger(),
 	});
+	jobQueue.enableShutdownHooks();
 
 	jobQueue.get(QueueProcessorService).start();
 	jobQueue.get(ChartManagementService).start();