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_GA-Polygon.h b/include/osmocom/ranap/RANAP_GA-Polygon.h
index 5c4e057..200d0a4 100644
--- a/include/osmocom/ranap/RANAP_GA-Polygon.h
+++ b/include/osmocom/ranap/RANAP_GA-Polygon.h
@@ -12,8 +12,8 @@
 
 /* Including external dependencies */
 #include <asn_SEQUENCE_OF.h>
-#include <osmocom/osmo-iuh/ranap/RANAP_GeographicalCoordinates.h>
-#include <osmocom/osmo-iuh/ranap/RANAP_IE-Extensions.h>
+#include <osmocom/ranap/RANAP_GeographicalCoordinates.h>
+#include <osmocom/ranap/RANAP_IE-Extensions.h>
 #include <constr_SEQUENCE.h>
 #include <constr_SEQUENCE_OF.h>