Remove hardcoded distro
Remove hardcoded distro

This was a leftover from some previous tests.

Closes: #53

Signed-off-by: Sébastien Han <c944cdd58d18a32bd34d661eafe66112d96c6cc1@enovance.com>

lejonet/ansible-ceph-common,mcsage/ceph-ansible,msambol/ceph-ansible,verdurin/ceph-ansible-1,albertomurillo/ceph-ansible,ltangeman/ceph-ansible,msambol/ceph-ansible,PiotrProkop/ceph-ansible,fgal/ceph-ansible,rootfs/ceph-ansible,mattt416/ceph-ansible,ceph/ceph-ansible,jtaleric/ceph-ansible,bengland2/ceph-ansible,jtaleric/ceph-ansible,Miand/ceph-ansible-centos-6.6,dang/ceph-ansible,albertomurillo/ceph-ansible,jsaintrocc/ceph-ansible,WingkaiHo/ceph-ansible,SpringerPE/ansible-ceph,Abhishekvrshny/ceph-ansible,nkmail/ceph-ansible,AcalephStorage/ceph-ansible,font/ceph-ansible,AcalephStorage/ceph-ansible,Abhishekvrshny/ceph-ansible,shinespb/ceph-ansible,WingkaiHo/ceph-ansible,bjne/ceph-ansible,WingkaiHo/ceph-ansible,lyandrew/ceph-ansible,dang/ceph-ansible,thetrav/ceph-ansible,ceph/ceph-ansible,albertomurillo/ceph-ansible,leseb/ceph-ansible-1,guits/ceph-ansible,thiagodasilva/ceph-ansible,mcsage/ceph-ansible,jfcoz/ceph-ansible,bjne/ceph-ansible,travmi/ceph-ansible,leseb/ceph-ansible-1,jfcoz/ceph-ansible,ltangeman/ceph-ansible,rootfs/ceph-ansible,verdurin/ceph-ansible-1,shinespb/ceph-ansible,bengland2/ceph-ansible,sheepkiller/ceph-ansible,font/ceph-ansible,guits/ceph-ansible,sheepkiller/ceph-ansible,thetrav/ceph-ansible,fgal/ceph-ansible,jsaintrocc/ceph-ansible,mattt416/ceph-ansible,syang/ceph_automation,PiotrProkop/ceph-ansible,nkmail/ceph-ansible,Miand/ceph-ansible-centos-6.6,travmi/ceph-ansible,thiagodasilva/ceph-ansible,lyandrew/ceph-ansible