HAProxy / ACME client Plugin cleanup [SOLVED]

[patrick010]

Never mind the below question, found it in /conf/config.xml
Wonder why this isnt cleaned up upon uninstallation. What a mess!

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I've been experimenting with both HAProxy and the ACME client, and things have become messy.
So, my first idea would be, uninstall both and start anew. This isnt as straightforward as one would think, because the configs aren't being deleted upon uninstallation of the plugins. So removal and reinstallation doesn't mean a clean set up, all the old and messy configs are still there.
How do I clean up these configs so I can make a fresh start? Where are these configs stored? Hopefully not in some megalithing xml file  :-\