def remove(self, item):
check_not_none(item, "<STR_LIT>")<EOL>item_data = self._to_data(item)<EOL>return self._encode_invoke(set_remove_codec, value=item_data)<EOL>
Removes the specified element from the set if it exists.

:param item: (object), the specified element to be removed.
:return: (bool), ``true`` if the specified element exists in this set.