How can i unistall Halion Sonic 2 on MAC ?

Hi.
I installed the Halion Sonic 2 iso by mistake on my MAC OSX. (i thought it was Halion Sonic 1)
How can i uninstall Halion Sonic 2 completely on MAC OSX Mavericks ?
If i let it be, will it interfere with my future Halion Sonic 1 installation?
Thanks in avance.