Remove redundant comment

lib/utils/file_uploader.dart

@@ -178,7 +178,6 @@ class FileUploader {
     var sourceFile;
 
     try {
-      // Placing this in the try-catch block to safe guard against: https://github.com/CaiJingLong/flutter_photo_manager/issues/405
       _logger.info("Trying to upload " + file.toString());
       sourceFile = (await (await file.getAsset()).originFile);
       var key;