Commit
3614f7190d9d931563f6af4c652980f5e5c757db
by Pau Espin PedrolDrop use of deprecated vty is_config_node() cb
This callback was drepecated and is not ever called since
libosmocore.git 70ce871532ab21955e0955d7e230eae65438f047 (release 1.3.0).
See also libosmocore.git d31de237582f6fe3315d61bb9a488d4cda92654e.
Fixes: 4e934bb546e173ea525d778983cccce8f7c563c0
Change-Id: Idaad5148c7ca486b84bd67ad2ad90b96c3126316