Removing contrail-epoach from nova-packages to avoid libvirt dpeendency issue, this got added after complete packager was installed with last changes.
it caused installation to fail

Change-Id: I10cf4f7561fa4760d62649fff2570174b6711c4d
Merge "Removing contrail-epoach from nova-packages to avoid libvirt dpeendency issue, this got added after complete packager was installed with last changes. it caused installation to fail" into R1.10