It was decided to write OsmoBSCNAT with 3GPP AoIP support from scratch,
in a separate repository from OsmoBSC. The previous codebase was too
heavily tied into legacy SCCPlite code and had been removed from
osmo-bsc.git in Ia05dc76336a64a7f08962843b9a7cc19f2c83387.
Related: OS#2545
Change-Id: Iae5d37483dcb9db00578d5c9cd1736f08754a65e