How to uninstall compiled UE?

Context

I’d like to restart a potentially corrupt compilation:

Progress

I’ve tried removing the .desktop files:

…and it doesn’t appear to have been added to $PATH:

RokeJulianLockhart@Beedell:~$ echo $PATH
/home/RokeJulianLockhart/.local/bin:/home/RokeJulianLockhart/bin:/usr/local/bin:/usr/bin:/bin:/usr/local/sbin:/usr/sbin:/sbin:/home/RokeJulianLockhart/.dotnet/tools

What else should be done, bar rm -r /home/RokeJulianLockhart/Documents/The_Unsanitised/Git_Repositories/Unreal_Engine/?