c6502e1191
commit 2789f144d4776a79551ec7603b292460e08f3518 uses service.py in openstack-common and changes the collector from a manager into a Service. The rpc connection creation in CollectorManager is not called any more. So, remove the unnecessary rpc import. Change-Id: I710e14beb3485661e8aeeae0792fae68cba48979 Signed-off-by: Shane Wang <shane.wang@intel.com>