vlr.h: remove unused ran_conn out of the header

The ran_conn isn't used at all by the VLR

Change-Id: I247d636d835c09f7a7b66dee52eb8608aa358815
diff --git a/src/libmsc/msc_a.c b/src/libmsc/msc_a.c
index 2e88a32..59f1a57 100644
--- a/src/libmsc/msc_a.c
+++ b/src/libmsc/msc_a.c
@@ -37,6 +37,7 @@
 #include <osmocom/msc/vlr.h>
 #include <osmocom/msc/transaction.h>
 #include <osmocom/msc/transaction_cc.h>
+#include <osmocom/msc/ran_conn.h>
 #include <osmocom/msc/ran_peer.h>
 #include <osmocom/msc/ran_msg_a.h>
 #include <osmocom/msc/ran_msg_iu.h>
diff --git a/src/libmsc/msc_ho.c b/src/libmsc/msc_ho.c
index 54a959d..cea658c 100644
--- a/src/libmsc/msc_ho.c
+++ b/src/libmsc/msc_ho.c
@@ -23,6 +23,7 @@
 #include <osmocom/sigtran/sccp_helpers.h>
 
 #include <osmocom/msc/msc_ho.h>
+#include <osmocom/msc/ran_conn.h>
 #include <osmocom/msc/ran_msg.h>
 #include <osmocom/msc/msc_a.h>
 #include <osmocom/msc/msc_i.h>
diff --git a/src/libmsc/msc_vgcs.c b/src/libmsc/msc_vgcs.c
index 264fa49..4660a2c 100644
--- a/src/libmsc/msc_vgcs.c
+++ b/src/libmsc/msc_vgcs.c
@@ -86,6 +86,7 @@
 
 #include <osmocom/msc/gsm_data.h>
 #include <osmocom/msc/sccp_ran.h>
+#include <osmocom/msc/ran_conn.h>
 #include <osmocom/msc/ran_infra.h>
 #include <osmocom/msc/ran_peer.h>
 #include <osmocom/msc/ran_msg_a.h>
diff --git a/src/libmsc/msub.c b/src/libmsc/msub.c
index ac93665..8df8d26 100644
--- a/src/libmsc/msub.c
+++ b/src/libmsc/msub.c
@@ -28,6 +28,7 @@
 #include <osmocom/msc/msc_a.h>
 #include <osmocom/msc/msc_i.h>
 #include <osmocom/msc/msc_t.h>
+#include <osmocom/msc/ran_conn.h>
 #include <osmocom/msc/vlr.h>
 #include <osmocom/msc/e_link.h>