Simply remove the dlcpack called: twd_shane_walsh_addon from this loaction:

mods - update - x64 - dlcpacks



Then replace the baygor.awc audio file with the one provided under the vanilla audio folder for uninstall.

Replace it in this location:

mods - x64 - audio - sfx - S_MISC.rpf



Then edit your dlclist.xml and remove this line from it: <Item>dlcpacks:/twd_shane_walsh_addon/</Item>

Its located here:

mods - update - update.rpf - common - data