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_ImmediateMDT.h b/include/osmocom/ranap/RANAP_ImmediateMDT.h
index 7bffa56..2399e42 100644
--- a/include/osmocom/ranap/RANAP_ImmediateMDT.h
+++ b/include/osmocom/ranap/RANAP_ImmediateMDT.h
@@ -11,10 +11,10 @@
 #include <asn_application.h>
 
 /* Including external dependencies */
-#include <osmocom/osmo-iuh/ranap/RANAP_MeasurementsToActivate.h>
-#include <osmocom/osmo-iuh/ranap/RANAP_M1Report.h>
-#include <osmocom/osmo-iuh/ranap/RANAP_M2Report.h>
-#include <osmocom/osmo-iuh/ranap/RANAP_IE-Extensions.h>
+#include <osmocom/ranap/RANAP_MeasurementsToActivate.h>
+#include <osmocom/ranap/RANAP_M1Report.h>
+#include <osmocom/ranap/RANAP_M2Report.h>
+#include <osmocom/ranap/RANAP_IE-Extensions.h>
 #include <constr_SEQUENCE.h>
 
 #ifdef __cplusplus