mgcp: Remove some duplicate header files from the list.
diff --git a/openbsc/src/libmgcp/mgcp_protocol.c b/openbsc/src/libmgcp/mgcp_protocol.c
index ba290dd..c9a9b7f 100644
--- a/openbsc/src/libmgcp/mgcp_protocol.c
+++ b/openbsc/src/libmgcp/mgcp_protocol.c
@@ -29,11 +29,10 @@
 #include <limits.h>
 #include <unistd.h>
 
-#include <openbsc/debug.h>
 #include <osmocore/msgb.h>
 #include <osmocore/talloc.h>
-#include <openbsc/gsm_data.h>
 #include <osmocore/select.h>
+
 #include <openbsc/mgcp.h>
 #include <openbsc/mgcp_internal.h>