Refine code logic

[hermeslin]

這段應該要修一下，這樣判斷的方式感覺有點蠢

twitter-bot-i-suck/functions/triggers/pubsub/everyOneHourMention.js

Lines 12 to 24 in b64b30c

	subscribersSnap.forEach((subscriber) => {
	const notMentionedUsers = async (subscriber) => {
	const notMentionedUsersSnap = await db.doc(`mention_queue/${today}/users/${subscriber.id}`).get();
	return {
	exists: notMentionedUsersSnap.exists,
	subscriber: {
	id: subscriber.id,
	data: subscriber.data()
	},
	};
	};
	filterResult.push(notMentionedUsers(subscriber));
	});