remove demo code

apps/website/lib/services/auth/AuthService.ts

@@ -4,7 +4,6 @@ import type { LoginParamsDTO } from '../../types/generated/LoginParamsDTO';
 import type { SignupParamsDTO } from '../../types/generated/SignupParamsDTO';
 import type { ForgotPasswordDTO } from '../../types/generated/ForgotPasswordDTO';
 import type { ResetPasswordDTO } from '../../types/generated/ResetPasswordDTO';
-import type { DemoLoginDTO } from '../../types/generated/DemoLoginDTO';
 
 /**
  * Auth Service
@@ -73,16 +72,4 @@ export class AuthService {
       throw error;
     }
   }
-
-  /**
-   * Demo login (development only)
-   */
-  async demoLogin(params: DemoLoginDTO): Promise<SessionViewModel> {
-    try {
-      const dto = await this.apiClient.demoLogin(params);
-      return new SessionViewModel(dto.user);
-    } catch (error) {
-      throw error;
-    }
-  }
 }