def delete(entry)
      raise(ArgumentError, 'Must be an Entry') unless entry.is_a?(PoParser::Entry)

      @entries.delete(entry)
    end
def delete(entry)
      raise(ArgumentError, 'Must be an Entry') unless entry.is_a?(PoParser::Entry)

      @entries.delete(entry)
    end
Delete entry from po file

 @example

   delete(entry)

 @param entry [Entry] to be deleted
 @return [Entry]