refactor(ipc-file): 移除未使用的referer参数

清理下载函数中未使用的referer参数，简化函数签名。

Author: kazukokawagawa

electron/main/ipc/ipc-file.ts

@@ -532,7 +532,6 @@ const initFileIpc = (): void => {
           saveMetaFile,
           songData,
           skipIfExist,
-          referer,
         } = options;
         // 规范化路径
         const downloadPath = resolve(path);
@@ -641,7 +640,6 @@ const initFileIpc = (): void => {
           finalFilePath,
           metadata,
           threadCount,
-          referer,
           onProgress,
         );