tests: Bluetooth: CAP: remove compiler warning

There is an unused variable, which may result in a compiler warning.

Since we can not guarantee the value of this variable
we can not test for it, so it is removed.

Signed-off-by: Andries Kruithof <[email protected]>

Author: Andries Kruithof

tests/bluetooth/audio/cap_commander/src/test_broadcast_reception.c

@@ -9,7 +9,6 @@
 #include <stdlib.h>
 
 #include <zephyr/bluetooth/audio/cap.h>
-#include <zephyr/bluetooth/audio/vcp.h>
 #include <zephyr/fff.h>
 
 #include "bluetooth.h"
@@ -21,8 +20,6 @@
 
 #include <zephyr/logging/log.h>
 
-int bt_cap_common_proc_is_active(void);
-
 LOG_MODULE_REGISTER(bt_broadcast_reception_test, CONFIG_BT_CAP_COMMANDER_LOG_LEVEL);
 
 #define FFF_GLOBALS