refactor: remove unused

frontend/src/services/ApiService.ts

@@ -36,25 +36,6 @@ const apiService = {
       throw error; 
     }
   },
-
-  async uploadPlaylist(data: FormData | { playlistUrl: string }): Promise<void> {
-    try {
-      const options: RequestInit = {
-        method: 'POST',
-        body: data instanceof FormData ? data : JSON.stringify(data),
-        headers: data instanceof FormData ? {} : { 'Content-Type': 'application/json' },
-      };
-
-      const response = await fetch(`${API_BASE_URL}/api/playlist`, options);
-
-      if (!response.ok) {
-        throw new Error(`HTTP error! Status: ${response.status}`);
-      }
-    } catch (error) {
-      console.error('Error uploading playlist:', error);
-      throw error;
-    }
-  },
 };
 
 export default apiService;