samples: wifi: ble_coex: Fix stack trace warning

Fix EXCEPTION_STACK_TRACE build warning.

Signed-off-by: Murali Thokala <[email protected]>

Author: muraliThokala

samples/wifi/ble_coex/sysbuild/ipc_radio/prj.conf

@@ -27,7 +27,6 @@ CONFIG_BT_MAX_CONN=2
 
 CONFIG_ASSERT=y
 CONFIG_DEBUG_INFO=y
-CONFIG_EXCEPTION_STACK_TRACE=y
 
 CONFIG_IPC_RADIO_BT=y
 CONFIG_IPC_RADIO_BT_HCI_IPC=y