Stop trying to build network_test for now.
Stop trying to build network_test for now.

It calls several functions which now have new names in network_interface.ml, so
getting this to build will take a while.

Signed-off-by: John Else <37b74501daa612e48fea94f9846ed4ddeb6a8f07@citrix.com>

sharady/xcp-networkd,koushikcgit/xcp-networkd,djs55/xcp-networkd,koushikcgit/xcp-networkd,sharady/xcp-networkd,djs55/xcp-networkd