Well, uh… in the Genymotion FAQs there is another procedure:
How do I properly uninstall Genymotion?
To properly uninstall Genymotion, follow the procedure corresponding to your operating system:
[…]
Linux
- Remove all virtual devices using [
. - Delete Genymotion installation directory by running
rm -r $HOME/genymotion(if installed in your home directory). - Delete Genymotion data directories by running
rm -rf $HOME/.Genymobile $HOME/.config/Genymobile/Genymotion.conf
To remove all programs used by Genymotion, you may also uninstall the VirtualBox application. In this case, repeat steps 2 and 3 for the VirtualBox application.