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_ChosenEncryptionAlgorithm.h b/include/osmocom/ranap/RANAP_ChosenEncryptionAlgorithm.h
index 16327e9..6d4b8fe 100644
--- a/include/osmocom/ranap/RANAP_ChosenEncryptionAlgorithm.h
+++ b/include/osmocom/ranap/RANAP_ChosenEncryptionAlgorithm.h
@@ -12,7 +12,7 @@
 #include <asn_application.h>
 
 /* Including external dependencies */
-#include <osmocom/osmo-iuh/ranap/RANAP_EncryptionAlgorithm.h>
+#include <osmocom/ranap/RANAP_EncryptionAlgorithm.h>
 
 #ifdef __cplusplus
 extern "C" {