sm_ms_fsm: fix double timer_cb assignment

sm_ms_fsm.c:287:14: warning: initializer overrides prior initialization
                             of this subobject [-Winitializer-overrides]
        .timer_cb = sm_ms_fsm_timer_cb,
                    ^~~~~~~~~~~~~~~~~~
sm_ms_fsm.c:284:14: note: previous initialization is here
        .timer_cb = sm_ms_fsm_timer_cb,
                    ^~~~~~~~~~~~~~~~~~

Change-Id: Ic1bffe410a4ce5ddafe740185a5a894e056d7879
---
M src/sm/sm_ms_fsm.c
1 file changed, 17 insertions(+), 1 deletion(-)

diff --git a/src/sm/sm_ms_fsm.c b/src/sm/sm_ms_fsm.c
index dc063b9..8d994eb 100644
--- a/src/sm/sm_ms_fsm.c
+++ b/src/sm/sm_ms_fsm.c
@@ -281,7 +281,6 @@
 	.name = "SM_MS",
 	.states = sm_ms_fsm_states,
 	.num_states = ARRAY_SIZE(sm_ms_fsm_states),
-	.timer_cb = sm_ms_fsm_timer_cb,
 	.event_names = sm_ms_fsm_event_names,
 	.log_subsys = DLGLOBAL, /* updated dynamically through gprs_sm_ms_fsm_set_log_cat() */
 	.timer_cb = sm_ms_fsm_timer_cb,

