iwlwifi: don't warn if transport's allocation failed

The allocation failure will already be very verbose.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
diff --git a/drivers/net/wireless/iwlwifi/pcie/trans.c b/drivers/net/wireless/iwlwifi/pcie/trans.c
index 3adbf4c..a1b9d07 100644
--- a/drivers/net/wireless/iwlwifi/pcie/trans.c
+++ b/drivers/net/wireless/iwlwifi/pcie/trans.c
@@ -2126,7 +2126,7 @@
 	trans = kzalloc(sizeof(struct iwl_trans) +
 			sizeof(struct iwl_trans_pcie), GFP_KERNEL);
 
-	if (WARN_ON(!trans))
+	if (!trans)
 		return NULL;
 
 	trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);