Remove <version> from org.apache.aries.blueprint.core dep.
Remove <version> from org.apache.aries.blueprint.core dep.

Because in c/58365a the latest version was added to oldparent
dependencyManagement, and it seems wiser to declare this in only a
single place, to avoid possible version discrepancy problems re. this
artifact in the future.

Change-Id: If4370f3c7e80123fe6c225a11c1224145b3ad2b9
Signed-off-by: Michael Vorburger <4d49e7cce9f97fb576795ab27509f7ee282641f6@redhat.com>
opendaylight/controller