swap cheek poking

BUR #33117 has been rejected.

create alias cheek_poking -> poking_cheek

To standardize with other poking_* tags

Should be moved to poking another's cheek. cheek_poking hand_on_own_cheek needs to be split.

This bulk update request is pending automatic rejection in 5 days.

This bulk update request has been rejected because it was not approved within 45 days.

The bulk update request #33117 (forum #317035) has been rejected by @DanbooruBot.