Finished refactoring

src/pages/api/users/update.ts

@@ -1,7 +1,6 @@
 // Next.js API route support: https://nextjs.org/docs/api-routes/introduction
 import type { NextApiRequest, NextApiResponse } from "next";
 import { app, storage } from "@/firebase";
-import { getFirestore, collection, getDocs, getDoc, doc, setDoc, query, where } from "firebase/firestore";
 import { withIronSessionApiRoute } from "iron-session/next";
 import { sessionOptions } from "@/lib/session";
 import { Group, User } from "@/interfaces/user";