Drop osmo-hnbgw

OsmoHNBGW is now available in its own repository osmo-hnbgw.git.

Change-Id: I4e17c578b432f0c997ea4e13b1c468b112278854
---
M Makefile.am
M README.md
M configure.ac
D contrib/Makefile.am
M contrib/osmo-iuh.spec.in
D contrib/systemd/Makefile.am
D contrib/systemd/osmo-hnbgw.service
M debian/control
D debian/osmo-hnbgw.install
M debian/rules
M doc/Makefile.am
D doc/examples/Makefile.am
D doc/examples/osmo-hnbgw.cfg
D doc/manuals/Makefile.am
D doc/manuals/chapters/overview.adoc
D doc/manuals/chapters/running.adoc
D doc/manuals/osmohnbgw-usermanual-docinfo.xml
D doc/manuals/osmohnbgw-usermanual.adoc
D doc/manuals/osmohnbgw-vty-reference.xml
D doc/manuals/regen_doc.sh
D doc/manuals/vty/hnbgw_vty_additions.xml
D doc/protocols_around_hnbgw.txt
M include/osmocom/iuh/Makefile.am
D include/osmocom/iuh/context_map.h
D include/osmocom/iuh/hnbgw.h
D include/osmocom/iuh/hnbgw_cn.h
D include/osmocom/iuh/hnbgw_hnbap.h
D include/osmocom/iuh/hnbgw_ranap.h
D include/osmocom/iuh/hnbgw_rua.h
D include/osmocom/iuh/vty.h
M src/Makefile.am
D src/context_map.c
D src/hnbgw.c
D src/hnbgw_cn.c
D src/hnbgw_hnbap.c
D src/hnbgw_ranap.c
D src/hnbgw_rua.c
D src/hnbgw_vty.c
38 files changed, 5 insertions(+), 4,081 deletions(-)