Fix ceilometer.conf.sample mismatch
Fix ceilometer.conf.sample mismatch

ceilometer.conf.sample mismatch issue makes the tests failing. This patch
removes the checkupdate.sh test from tox.ini, like it was removed from nova
too, until having a proper solution for handling the changes in
ceilometer.conf.sample, to fix the gate quickly.

Closes-Bug: #1297999

Change-Id: I7889580b3df2d30d80703d7ef540194e7f71ec51

isyippee/ceilometer,froyobin/ceilometer,MisterPup/Ceilometer-Juno-Extension,sileht/aodh,idegtiarov/ceilometer,cernops/ceilometer,pczerkas/aodh,r-mibu/ceilometer,NeCTAR-RC/ceilometer,openstack/aodh,fabian4/ceilometer,tanglei528/ceilometer,openstack/ceilometer,sileht/aodh,mathslinux/ceilometer,cernops/ceilometer,redhat-openstack/ceilometer,eayunstack/ceilometer,luogangyi/Ceilometer-oVirt,ityaptin/ceilometer,pkilambi/ceilometer,pczerkas/aodh,maestro-hybrid-cloud/ceilometer,maestro-hybrid-cloud/ceilometer,openstack/aodh,m1093782566/openstack_org_ceilometer,chungg/aodh,NeCTAR-RC/ceilometer,isyippee/ceilometer,MisterPup/Ceilometer-Juno-Extension,tanglei528/ceilometer,chungg/aodh,luogangyi/Ceilometer-oVirt,mathslinux/ceilometer,tanglei528/ceilometer,eayunstack/ceilometer,pkilambi/ceilometer,m1093782566/openstack_org_ceilometer,redhat-openstack/ceilometer,ityaptin/ceilometer,r-mibu/ceilometer,Juniper/ceilometer,froyobin/ceilometer,idegtiarov/ceilometer,Juniper/ceilometer,openstack/ceilometer,fabian4/ceilometer,NeCTAR-RC/ceilometer