chore: remove redundant conditionals

packages/frontend/core/src/modules/cloud/stores/auth.ts

@@ -1,15 +1,12 @@
 import {
-  ErrorNames,
   removeAvatarMutation,
   updateUserProfileMutation,
   uploadAvatarMutation,
-  UserFriendlyError,
 } from '@affine/graphql';
 import { Store } from '@toeverything/infra';
 
 import type { GlobalState } from '../../storage';
 import type { AuthSessionInfo } from '../entities/session';
-import { BackendError } from '../error';
 import type { FetchService } from '../services/fetch';
 import type { GraphQLService } from '../services/graphql';
 import type { ServerService } from '../services/server';
@@ -101,16 +98,6 @@ export class AuthStore extends Store {
       },
     });
 
-    if (!res.ok) {
-      const error = await res.json();
-
-      const userFriendlyError = UserFriendlyError.fromAnyError(error);
-      if (userFriendlyError.name === ErrorNames.UNSUPPORTED_CLIENT_VERSION) {
-        throw new BackendError(userFriendlyError, res.status);
-      }
-      throw new Error(`Failed to check user by email: ${email}`);
-    }
-
     const data = (await res.json()) as {
       registered: boolean;
       hasPassword: boolean;