bleeding standardization

BUR #33014 has been approved by @nonamethanks.

create alias bleeding_from_forehead -> blood_from_forehead

All other tags use blood_*, but I don't mind it going the other way around.

I think bleeding would be better for most of those tags, with the exception of blood from mouth since it can either be because the person is bleeding or because they've drunk blood. There are really only two blood_from* tags of actual weight, blood from mouth and blood from eyes. Blood from noses is aliased to nosebleed and the others each have less than 30 posts, but nearly all those tags it's cause they're bleeding.

blood from wrist, blood from neck, blood from ears? All injury caused and not being tagged bleeding.

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 #33014 (forum #316710) has been rejected by @DanbooruBot.

The bulk update request #33014 (forum #316710) has been approved by @nonamethanks.