Fix for OVSDB compilation failure
Fix for OVSDB compilation failure

- Legacy distribution was removed but top level pom still had child module
  which causes a fresh tree to fail compilation.

Change-Id: I0b258da4a1516035954a56c913a8368694e5300f
Signed-off-by: Reinaldo Penno <8d028a2cce5a6653b616986f5e1fffa95594535f@gmail.com>

opendaylight/ovsdb,opendaylight/ovsdb,opendaylight/ovsdb