private String removePrefix(String path) {
        if (prefix == null) {
            return path;
        }
        return path.substring(prefix.length() + 1);
    }
Delete file content from blob store

@param filePath absolute file path, for example: Users/user1/files/inputs/data.csv
storage/src/main/java/com/epam/aidial/core/storage/blobstore/BlobStorage.java