create alias multiple_fellatio -> collaborative_fellatio

The bulk update request #8673 (forum #204489) has been rejected by @DanbooruBot.

These tags still suck. I don't think "collaborative" is that bad.

The bulk update request #8653 (forum #204380) has been approved by @Hillside_Moose.

The bulk update request #8673 (forum #204489) has been approved by @Hillside_Moose.

I've read the thread and decided to go with "cooperative" instead of "collaborative", if only because it sounds less weird.

BUR #11993 has been approved by @nonamethanks.

create alias multiple_naizuri -> cooperative_naizuri

Missed one. I have to make an alias for this as this implicates other tags.

The bulk update request #11993 (forum #220168) has been approved by @nonamethanks.