network-manager: remove useless use of basename

modules.d/35network-manager/nm-run.sh

@@ -10,7 +10,7 @@ for _i in /sys/class/net/*/
 do
     state=/run/NetworkManager/devices/$(cat $_i/ifindex)
     grep -q connection-uuid= $state 2>/dev/null || continue
-    ifname=$(basename $_i)
+    ifname=${_i##*/}
     sed -n 's/root-path/new_root_path/p' <$state >/tmp/dhclient.$ifname.dhcpopts
     source_hook initqueue/online $ifname
     /sbin/netroot $ifname