refactor: Revert to googleapis.com

Author: d-goog

src/auth/oauth2client.ts

@@ -531,12 +531,14 @@ export class OAuth2Client extends AuthClient {
     this.redirectUri = opts.redirectUri;
 
     this.endpoints = {
-      tokenInfoUrl: `https://oauth2.${this.universeDomain}/tokeninfo`,
+      tokenInfoUrl: 'https://oauth2.googleapis.com/tokeninfo',
       oauth2AuthBaseUrl: 'https://accounts.google.com/o/oauth2/v2/auth',
-      oauth2TokenUrl: `https://oauth2.${this.universeDomain}/token`,
-      oauth2RevokeUrl: `https://oauth2.${this.universeDomain}/revoke`,
-      oauth2FederatedSignonPemCertsUrl: `https://www.${this.universeDomain}/oauth2/v1/certs`,
-      oauth2FederatedSignonJwkCertsUrl: `https://www.${this.universeDomain}/oauth2/v3/certs`,
+      oauth2TokenUrl: 'https://oauth2.googleapis.com/token',
+      oauth2RevokeUrl: 'https://oauth2.googleapis.com/revoke',
+      oauth2FederatedSignonPemCertsUrl:
+        'https://www.googleapis.com/oauth2/v1/certs',
+      oauth2FederatedSignonJwkCertsUrl:
+        'https://www.googleapis.com/oauth2/v3/certs',
       oauth2IapPublicKeyUrl: 'https://www.gstatic.com/iap/verify/public_key',
       ...opts.endpoints,
     };