HO: enable handover by initializing at startup; rename init function

Change-Id: I224884c84895ebf6c8cf498c16616214cb2b5779
diff --git a/include/osmocom/bsc/handover_decision.h b/include/osmocom/bsc/handover_decision.h
index 81078b0..fe551ca 100644
--- a/include/osmocom/bsc/handover_decision.h
+++ b/include/osmocom/bsc/handover_decision.h
@@ -1,7 +1,3 @@
-#ifndef _HANDOVER_DECISION_H
-#define _HANDOVER_DECISION_H
+#pragma once
 
-void on_dso_load_ho_dec(void);
-
-#endif /* _HANDOVER_DECISION_H */
-
+void handover_decision_1_init(void);