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

Make all changes to #include statements and build files.
diff --git a/include/osmocom/ranap/RANAP_RAB-DataVolumeReportItem.h b/include/osmocom/ranap/RANAP_RAB-DataVolumeReportItem.h
index f55f11d..2c500ac 100644
--- a/include/osmocom/ranap/RANAP_RAB-DataVolumeReportItem.h
+++ b/include/osmocom/ranap/RANAP_RAB-DataVolumeReportItem.h
@@ -11,9 +11,9 @@
 #include <asn_application.h>
 
 /* Including external dependencies */
-#include <osmocom/osmo-iuh/ranap/RANAP_RAB-ID.h>
-#include <osmocom/osmo-iuh/ranap/RANAP_DataVolumeList.h>
-#include <osmocom/osmo-iuh/ranap/RANAP_ProtocolExtensionContainer.h>
+#include <osmocom/ranap/RANAP_RAB-ID.h>
+#include <osmocom/ranap/RANAP_DataVolumeList.h>
+#include <osmocom/ranap/RANAP_ProtocolExtensionContainer.h>
 #include <constr_SEQUENCE.h>
 
 #ifdef __cplusplus