remove

src/server/service/file-uploader/uploader.js

@@ -61,17 +61,6 @@ class Uploader {
     return false;
   }
 
-  /**
-   * Whether to redirect to an external signed url.
-   */
-  isReferSignedUrl() {
-    return false;
-  }
-
-  issueSignedUrl() {
-    throw new Error('Implement this');
-  }
-
   /**
    * Respond to the HTTP request.
    * @param {Response} res