To delete the VocALign Project Pro Tools plug-in
For Pro Tools 10 of earlier open the Pro Tools plug-in folder which is
/Library/Application Support/DigiDesign/Plug-Ins
and delete the file VocALignASX.dpm
For Pro Tool 11 and later open the folder
/Library/Application Support/Avid/Audio/Plug-Ins/
and delete the file VocALignProject.aaxplugin