remove demo code

apps/website/lib/api/auth/AuthApiClient.ts

@@ -4,7 +4,6 @@ import { LoginParamsDTO } from '../../types/generated/LoginParamsDTO';
 import { SignupParamsDTO } from '../../types/generated/SignupParamsDTO';
 import { ForgotPasswordDTO } from '../../types/generated/ForgotPasswordDTO';
 import { ResetPasswordDTO } from '../../types/generated/ResetPasswordDTO';
-import { DemoLoginDTO } from '../../types/generated/DemoLoginDTO';
 
 /**
  * Auth API Client
@@ -43,9 +42,4 @@ export class AuthApiClient extends BaseApiClient {
   resetPassword(params: ResetPasswordDTO): Promise<{ message: string }> {
     return this.post<{ message: string }>('/auth/reset-password', params);
   }
-
-  /** Demo login (development only) */
-  demoLogin(params: DemoLoginDTO): Promise<AuthSessionDTO> {
-    return this.post<AuthSessionDTO>('/auth/demo-login', params);
-  }
-}
+}