Remove obsolete dependency from it/common/pom.xml.
Remove obsolete dependency from it/common/pom.xml.

Change-Id: Id320c09b1fe7a0a0269bfc4552fd4afb80553eeb
Signed-off-by: Shigeru Yasuda <4286dc62f6b184926d282535950a80f031d65860@da.jp.nec.com>

opendaylight/vtn,opendaylight/vtn,opendaylight/vtn,opendaylight/vtn,opendaylight/vtn,opendaylight/vtn,opendaylight/vtn