def remove_file(filename)
      return if @sandbox

      file_path = File.join(Configuration.instance.get(:path), filename)
      File.delete(file_path) if File.exist?(file_path)
    end
def remove_file(filename)
      return if @sandbox

      file_path = File.join(Configuration.instance.get(:path), filename)
      File.delete(file_path) if File.exist?(file_path)
    end
Parses remove_file dsl, it removes a file.

 @param filename [String] file name.