fix: 移除Antigravity的apikey账户额外的表单

frontend/src/i18n/locales/en.ts

@@ -1359,6 +1359,7 @@ export default {
         googleOauth: 'Google OAuth',
         codeAssist: 'Code Assist',
         antigravityOauth: 'Antigravity OAuth',
+        antigravityApikey: 'Connect via Base URL + API Key',
         upstream: 'Upstream',
         upstreamDesc: 'Connect via Base URL + API Key'
       },
@@ -1625,7 +1626,7 @@ export default {
       // Upstream type
       upstream: {
         baseUrl: 'Upstream Base URL',
-        baseUrlHint: 'The address of the upstream Antigravity service, e.g., https://s.konstants.xyz',
+        baseUrlHint: 'The address of the upstream Antigravity service, e.g., https://cloudcode-pa.googleapis.com',
         apiKey: 'Upstream API Key',
         apiKeyHint: 'API Key for the upstream service',
         pleaseEnterBaseUrl: 'Please enter upstream Base URL',