Revert "Add popup-based Google login function"

This reverts commit 1b39289dad.

frontend/src/utils/google.js

@@ -12,23 +12,7 @@ export async function googleGetIdToken() {
     window.google.accounts.id.initialize({
       client_id: GOOGLE_CLIENT_ID,
       callback: ({ credential }) => resolve(credential),
-      use_fedcm: true
-    })
-    window.google.accounts.id.prompt()
-  })
-}
-
-export async function googleGetIdTokenWithPop() {
-  return new Promise((resolve, reject) => {
-    if (!window.google || !GOOGLE_CLIENT_ID) {
-      toast.error('Google 登录不可用, 请检查网络设置与VPN')
-      reject()
-      return
-    }
-    window.google.accounts.id.initialize({
-      client_id: GOOGLE_CLIENT_ID,
-      callback: ({ credential }) => resolve(credential),
-      ux_mode: 'popup'
+      use_fedcm: true 
     })
     window.google.accounts.id.prompt()
   })
@@ -69,15 +53,6 @@ export async function googleSignIn(redirect_success, redirect_not_approved) {
   }
 }
 
-export async function googleSignInWithPop(redirect_success, redirect_not_approved) {
-  try {
-    const token = await googleGetIdTokenWithPop()
-    await googleAuthWithToken(token, redirect_success, redirect_not_approved)
-  } catch {
-    /* ignore */
-  }
-}
-
 import router from '../router'
 
 export function loginWithGoogle() {
@@ -89,15 +64,4 @@ export function loginWithGoogle() {
       router.push('/signup-reason?token=' + token)
     }
   )
-}
-
-export function loginWithGoogleWithPop() {
-  googleSignInWithPop(
-    () => {
-      router.push('/')
-    },
-    token => {
-      router.push('/signup-reason?token=' + token)
-    }
-  )
 }