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-ModifyItem.h b/include/osmocom/ranap/RANAP_RAB-ModifyItem.h
index 91e86eb..0b2d5da 100644
--- a/include/osmocom/ranap/RANAP_RAB-ModifyItem.h
+++ b/include/osmocom/ranap/RANAP_RAB-ModifyItem.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_Requested-RAB-Parameter-Values.h>
-#include <osmocom/osmo-iuh/ranap/RANAP_ProtocolExtensionContainer.h>
+#include <osmocom/ranap/RANAP_RAB-ID.h>
+#include <osmocom/ranap/RANAP_Requested-RAB-Parameter-Values.h>
+#include <osmocom/ranap/RANAP_ProtocolExtensionContainer.h>
 #include <constr_SEQUENCE.h>
 
 #ifdef __cplusplus