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/mvm/fw-dbg.c b/drivers/net/wireless/intel/iwlwifi/mvm/fw-dbg.c
index 29d54ec..f406c76 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/fw-dbg.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/fw-dbg.c
@@ -122,7 +122,7 @@
 	unsigned long flags;
 	int i, j;
 
-	if (!iwl_trans_grab_nic_access(mvm->trans, false, &flags))
+	if (!iwl_trans_grab_nic_access(mvm->trans, &flags))
 		return;
 
 	/* Pull RXF data from all RXFs */
@@ -359,7 +359,7 @@
 	unsigned long flags;
 	u32 prph_len = 0, i;
 
-	if (!iwl_trans_grab_nic_access(trans, false, &flags))
+	if (!iwl_trans_grab_nic_access(trans, &flags))
 		return 0;
 
 	for (i = 0; i < ARRAY_SIZE(iwl_prph_dump_addr); i++) {