Yes, it is. The coordinates are obviously designed for the default UI.
The base numbers aren't 4, 0. They are @spriteBaseX + specialX + 4, 0. The X coordinates are calculated based on the bitmap base and then adjusted based on which side's databox its on (foe, player). Since youre using a...
Theoretically, I suppose. The Trainer Intro plugin does this, so you could emulate a similar behavior here. Youd probably have to change a lot, though.
Removing the plugin and reinstalling backups for all your Pokemon PBS files (forms included) should suffice. You can also go through the audio and graphics folders and delete any raid stuff too, if youd like, but it isnt necessary.
You do realize that this plugin and the Animated Pokemon plugin use completely different sprites and metrics files, right? You have to consider what it is you're actually installing/overwriting.