Can't Uninstall PCSX2
Solution 1:
During chat session we discovered that it was installed from PCSX2 Daily Builds PPA. To remove the PPA and packages use below commands:
sudo apt-get install ppa-purge
sudo ppa-purge ppa:pcsx2-team/pcsx2-daily
sudo apt-get autopurge pcsx2-unstable
sudo apt-get autopurge pcsx2