Remove osmo-iuh subdir level from include/ (2/2)

Make all changes to #include statements and build files.
diff --git a/src/ranap/RANAP_RAB-ReleaseList.c b/src/ranap/RANAP_RAB-ReleaseList.c
index ac618f5..dc88f8d 100644
--- a/src/ranap/RANAP_RAB-ReleaseList.c
+++ b/src/ranap/RANAP_RAB-ReleaseList.c
@@ -5,7 +5,7 @@
  */
 #include <constr_CHOICE.h>
 
-#include <osmocom/osmo-iuh/ranap/RANAP_RAB-ReleaseList.h>
+#include <osmocom/ranap/RANAP_RAB-ReleaseList.h>
 
 static int
 memb_raB_ReleaseList_ies_constraint_1(asn_TYPE_descriptor_t *td, const void *sptr,