=== Split osmo-gbproxy from osmo-sgsn ===

Adjust the build system, packaging etc. to split osmo-gbproxy into its
own git repository. Remove tests and configs that aren't related to
osmo-gbproxy.

Related: OS#4992
diff --git a/Makefile.am b/Makefile.am
index 17b3fc6..47988ca 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -19,7 +19,7 @@
 BUILT_SOURCES = $(top_srcdir)/.version
 EXTRA_DIST = \
 	     .version \
-	     contrib/osmo-sgsn.spec.in \
+	     contrib/osmo-gbproxy.spec.in \
 	     debian \
 	     git-version-gen \
 	     osmoappdesc.py \