Would it be possible to extract the package file, look at animation.xml file, and then delete all animations that don't have a certain flag, like animated genitals, only for the vampires, or something?The easiest way to do this is to SHIFT-click on the Sim doing the animation - WW - Disable current playing animation.
If you really want to delete a clip you can.
- Extract the package file using s4pe
- Edit the animation.xml file and find the animation you wish to remove
- Delete the animation from the xml file and save the file
- Repackage the animation mod using s4pe
- Move the edited animation mod to replace the original one in your Sims 4 mods folder
Maybe even make a simple script (JS, python...) to automatically delete all the animations that don't have that particular flag.
XML structure could surely support that.
It would lighten up both the Mods folder size and the in-game experience.