Remove FATAL condition in case ALIEN is not set
Remove FATAL condition in case ALIEN is not set

FATAL condition makes it impossible to compile AliPhysics
with the o2 defaults which deactivate alien. Configuration
of ALIEN should be handled by the build recipe.

pbuehler/AliPhysics,fbellini/AliPhysics,amaringarcia/AliPhysics,kreisl/AliPhysics,hcab14/AliPhysics,hzanoli/AliPhysics,lcunquei/AliPhysics,alisw/AliPhysics,rbailhac/AliPhysics,victor-gonzalez/AliPhysics,carstooon/AliPhysics,amatyja/AliPhysics,sebaleh/AliPhysics,rihanphys/AliPhysics,AMechler/AliPhysics,carstooon/AliPhysics,victor-gonzalez/AliPhysics,hzanoli/AliPhysics,kreisl/AliPhysics,preghenella/AliPhysics,AMechler/AliPhysics,victor-gonzalez/AliPhysics,rbailhac/AliPhysics,kreisl/AliPhysics,amatyja/AliPhysics,akubera/AliPhysics,kreisl/AliPhysics,rihanphys/AliPhysics,akubera/AliPhysics,fbellini/AliPhysics,dmuhlhei/AliPhysics,sebaleh/AliPhysics,pchrista/AliPhysics,fbellini/AliPhysics,nschmidtALICE/AliPhysics,dmuhlhei/AliPhysics,rbailhac/AliPhysics,SHornung1/AliPhysics,mpuccio/AliPhysics,SHornung1/AliPhysics,alisw/AliPhysics,adriansev/AliPhysics,carstooon/AliPhysics,rbailhac/AliPhysics,adriansev/AliPhysics,fbellini/AliPhysics,hcab14/AliPhysics,pbuehler/AliPhysics,akubera/AliPhysics,akubera/AliPhysics,dmuhlhei/AliPhysics,rbailhac/AliPhysics,amatyja/AliPhysics,fbellini/AliPhysics,amaringarcia/AliPhysics,nschmidtALICE/AliPhysics,hcab14/AliPhysics,SHornung1/AliPhysics,nschmidtALICE/AliPhysics,dmuhlhei/AliPhysics,pchrista/AliPhysics,preghenella/AliPhysics,rbailhac/AliPhysics,alisw/AliPhysics,amaringarcia/AliPhysics,lcunquei/AliPhysics,akubera/AliPhysics,SHornung1/AliPhysics,pbuehler/AliPhysics,lcunquei/AliPhysics,amatyja/AliPhysics,AMechler/AliPhysics,victor-gonzalez/AliPhysics,kreisl/AliPhysics,victor-gonzalez/AliPhysics,sebaleh/AliPhysics,pchrista/AliPhysics,akubera/AliPhysics,amatyja/AliPhysics,mpuccio/AliPhysics,carstooon/AliPhysics,rihanphys/AliPhysics,preghenella/AliPhysics,rihanphys/AliPhysics,mpuccio/AliPhysics,SHornung1/AliPhysics,rbailhac/AliPhysics,mpuccio/AliPhysics,kreisl/AliPhysics,sebaleh/AliPhysics,AMechler/AliPhysics,hcab14/AliPhysics,mpuccio/AliPhysics,dmuhlhei/AliPhysics,hzanoli/AliPhysics,lcunquei/AliPhysics,alisw/AliPhysics,fbellini/AliPhysics,akubera/AliPhysics,fcolamar/AliPhysics,adriansev/AliPhysics,AMechler/AliPhysics,fcolamar/AliPhysics,pbuehler/AliPhysics,pbuehler/AliPhysics,lcunquei/AliPhysics,dmuhlhei/AliPhysics,AMechler/AliPhysics,fcolamar/AliPhysics,nschmidtALICE/AliPhysics,pchrista/AliPhysics,pchrista/AliPhysics,lcunquei/AliPhysics,fbellini/AliPhysics,alisw/AliPhysics,alisw/AliPhysics,hcab14/AliPhysics,dmuhlhei/AliPhysics,carstooon/AliPhysics,SHornung1/AliPhysics,victor-gonzalez/AliPhysics,pbuehler/AliPhysics,SHornung1/AliPhysics,rihanphys/AliPhysics,mpuccio/AliPhysics,amatyja/AliPhysics,adriansev/AliPhysics,amaringarcia/AliPhysics,preghenella/AliPhysics,victor-gonzalez/AliPhysics,sebaleh/AliPhysics,fcolamar/AliPhysics,preghenella/AliPhysics,pchrista/AliPhysics,hzanoli/AliPhysics,amatyja/AliPhysics,preghenella/AliPhysics,AMechler/AliPhysics,carstooon/AliPhysics,sebaleh/AliPhysics,carstooon/AliPhysics,hzanoli/AliPhysics,nschmidtALICE/AliPhysics,adriansev/AliPhysics,adriansev/AliPhysics,amaringarcia/AliPhysics,rihanphys/AliPhysics,fcolamar/AliPhysics,hcab14/AliPhysics,hzanoli/AliPhysics,amaringarcia/AliPhysics,kreisl/AliPhysics,fcolamar/AliPhysics,nschmidtALICE/AliPhysics,hcab14/AliPhysics,preghenella/AliPhysics,alisw/AliPhysics,mpuccio/AliPhysics,sebaleh/AliPhysics,pchrista/AliPhysics,fcolamar/AliPhysics,rihanphys/AliPhysics,adriansev/AliPhysics,nschmidtALICE/AliPhysics,pbuehler/AliPhysics,lcunquei/AliPhysics,amaringarcia/AliPhysics,hzanoli/AliPhysics