There are command line versions of all tools in the MKVtoolnix family.
You may find this of use: How to remove tag spam and set language in several MKV files at once
This should do it, though I’ll take no responsibility if this is messing up your files.
(Test it first in a folder with a few copies of your actual video files! You have been warned.)
Script for MacOS:
#!/usr/bin/env bash
for f in *.mkv
do
echo -n $f ' '
mkvpropedit --delete title --tags all:"" "${f}"
done
