network: Remove null newBandwidth check from networkBandwidthUpdate

The prototype requires a NONNULL argument and the only caller passes in
a non-null parameter. Besides the "else if" condition would deref it anyway.
Signed-off-by: NJohn Ferlan <jferlan@redhat.com>

src/network/bridge_driver.c

@@ -5496,7 +5496,7 @@ networkBandwidthUpdate(virDomainNetDefPtr iface,
     /* Okay, there are three possible scenarios: */
 
     if (ifaceBand && ifaceBand->in && ifaceBand->in->floor &&
-        newBandwidth && newBandwidth->in && newBandwidth->in->floor) {
+        newBandwidth->in && newBandwidth->in->floor) {
         /* Either we just need to update @floor .. */
 
         if (virNetDevBandwidthUpdateRate(network->def->bridge,