Update .gitreview
Update .gitreview

Delete the defaultbranch as we are now on master

Change-Id: Ic9515c708884b97bd1ea062bcfc4d4e9eee1147d
Signed-off-by: Dave Tucker <38bd290b0ce167c92fc77aa50ad43e0fe89e0f98@redhat.com>

opendaylight/ovsdb,opendaylight/ovsdb,opendaylight/ovsdb