remove call_handling.h, a reminescent of old days
diff --git a/openbsc/include/openbsc/call_handling.h b/openbsc/include/openbsc/call_handling.h
deleted file mode 100644
index 0202788..0000000
--- a/openbsc/include/openbsc/call_handling.h
+++ /dev/null
@@ -1,64 +0,0 @@
-/*
- * (C) 2008 by Holger Hans Peter Freyther <zecke@selfish.org>
- * (C) 2008 by Stefan Schmidt <stefan@datenfreihafen.org>
- * All Rights Reserved
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- */
-
-#ifndef _CALL_HANDLING_H
-#define _CALL_HANDLING_H
-
-#include "linuxlist.h"
-#include "gsm_subscriber.h"
-#include "timer.h"
-
-/*
- * State transitions to be seen from the outside
- */
-#define CALL_STATE_NULL 0
-#define CALL_STATE_SETUP 1
-#define CALL_STATE_PROCEED 2
-#define CALL_STATE_ALERT 3
-#define CALL_STATE_CONNECT 4
-#define CALL_STATE_ACTIVE 5
-#define CALL_STATE_RELEASE 6
-
-struct call_data {
- struct llist_head entry;
- void (*state_change_cb)(int oldstate, int newstate, int event, void *data);
- void *data;
- char *destination_number;
-
- /* Internal */
- int state;
- char tmsi[GSM_TMSI_LENGTH];
- struct timer_list t30x; /* to be added for... */
-};
-
-
-int call_initiate(struct call_data *call, char *tmsi);
-void call_abort(struct call_data *call);
-
-/**
- * Get notified about new incoming calls. The call_data is owned
- * and managed by the internal call handling.
- */
-void call_set_callback(void (*cb)(struct call_data *call, void *data), void* data);
-void call_proceed(struct call_data *call_data);
-void call_connect(struct call_data *call_data);
-
-#endif /* _CALL_HANDLING_H */