Aliasing "lifted by self" and "pulled by self"

BUR #532 has been approved by @Lyren.

create alias lifted_by_self -> lifting_own_clothes
create alias pulled_by_self -> pulling_own_clothes

Porting this alias from Danbooru (forum topic 25858)

Cleaned up the mistags from both so it's be ready to be apporoved if people agree with the BUR.

The bulk update request #532 (forum #3265) has been approved by @Lyren.