Update environment variables and remove beta banner

.env

@@ -1,8 +1,8 @@
 # PRODUCTION
-VITE_APP_BACKEND_BASEURL=https://api.tmpf.me
+# VITE_APP_BACKEND_BASEURL=https://api.tmpf.me
 
 # DEV
 # VITE_APP_BACKEND_BASEURL=https://dev.tmpf.me
 
 # LOCAL DEV
-# VITE_APP_BACKEND_BASEURL=http://localhost:5000
+VITE_APP_BACKEND_BASEURL=http://localhost:5000

src/App.tsx

@@ -1,4 +1,4 @@
-import { Link, Outlet, Route, Routes, useNavigate } from 'react-router-dom';
+import { Outlet, Route, Routes, useNavigate } from 'react-router-dom';
 import { useState, useEffect } from 'react';
 import toast, { Toaster, useToasterStore } from 'react-hot-toast';
 import { Navbar } from './components';
@@ -47,9 +47,6 @@ export default function App() {
           path="/"
           element={
             <S.RootLayout>
-              <Link className="BetaBanner" to="https://beta.tmpf.me/" target="_blank">
-                베타버전이 출시되었습니다. beta.tmpf.me에서 베타 버전을 체험해보세요!
-              </Link>
               <div>
                 <Toaster
                   toastOptions={{