With Train we switch ovn-dbs to a separate VIP. We had some code
that took care of removing the constraints ovn-dbs added to the
internal_api VIP. Since we're headed to Wallaby we can drop this
piece of code as ovn-dbs has had its own VIP for a few releases now.
Depends-On: I5d5df3948964c28f53eda0ba5a966c824012bd4c
Change-Id: Ibea59d9679b1c1e3d99f3077d370ca92ae1a8d0a