Remove a server from the dict.

def remove_server(self, name):
        """Remove a server from the dict."""
        for i in self._server_list:
            if i['key'] == name:
                try:
                    self._server_list.remove(i)
                    logger.debug("Remove server %s from the list" % name)
                    logger.debug("Updated servers list (%s servers): %s" % (
                        len(self._server_list), self._server_list))
                except ValueError:
                    logger.error(
                        "Cannot remove server %s from the list" % name)