iwlwifi: remove unused parameter from grab_nic_access

All the callers used silent = false.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
diff --git a/drivers/net/wireless/intel/iwlwifi/dvm/tt.c b/drivers/net/wireless/intel/iwlwifi/dvm/tt.c
index 7decfc5..5b73492 100644
--- a/drivers/net/wireless/intel/iwlwifi/dvm/tt.c
+++ b/drivers/net/wireless/intel/iwlwifi/dvm/tt.c
@@ -184,7 +184,7 @@
 			priv->thermal_throttle.ct_kill_toggle = true;
 		}
 		iwl_read32(priv->trans, CSR_UCODE_DRV_GP1);
-		if (iwl_trans_grab_nic_access(priv->trans, false, &flags))
+		if (iwl_trans_grab_nic_access(priv->trans, &flags))
 			iwl_trans_release_nic_access(priv->trans, &flags);
 
 		/* Reschedule the ct_kill timer to occur in