to uninstall the rockylinux-9 wsl 2 instance:

wsl --terminate rockylinux-9
wsl --unregister rockylinux-9

rmdir /q /s "%USERPROFILE%"\appdata\Local\Packages\rockylinux-9
del "%USERPROFILE%"\appdata\Local\Packages\rockylinux-9.tar.gz
del "%USERPROFILE%"\appdata\Local\Packages\rockylinux-9.tar
del "%USERPROFILE%"\Downloads\install-gnome.bat
del "%USERPROFILE%"\Downloads\rockylinux-9.tar*