def delete_deposition_file(options={})
      id = options[:id] || raise(ArgumentError, "Must supply :id")
      file_id = options[:file_id] || raise(ArgumentError, "Must supply :file_id")
      request(:delete, "deposit/depositions/#{id}/files/#{file_id}", nil, nil)
    end
def delete_deposition_file(options={})
      id = options[:id] || raise(ArgumentError, "Must supply :id")
      file_id = options[:file_id] || raise(ArgumentError, "Must supply :file_id")
      request(:delete, "deposit/depositions/#{id}/files/#{file_id}", nil, nil)
    end
Delete DELETE deposit/depositions/:id/files/:file_id
 Delete an existing deposition file resource.
 Note, only deposition files for unpublished depositions may be deleted.
 @param [Hash] options The options to delete a deposition's file with.
 @options option [String, Fixnum] :id A deposition's ID.
 @options option [String] :file_id A deposition file ID.
 @raise [ArgumentError] If the :id or :file_id arguments are blank.
 @return [Faraday::Response].