xenserver: Remove debugging redirect from vif script

I redirected some output to a temporary file during debugging, but
forgot to remove it.  Now it's removed.

Thanks to Ben for pointing it out.

xenserver/etc_xensource_scripts_vif

@@ -97,7 +97,7 @@ add_to_bridge()
         --del-match="vlan.$vif.[!0-9]*" \
         --del-match="port.$vif.[!0-9]*" \
         --add="bridge.$bridge.port=$vif" \
-        $vid $vif_details -c >/tmp/j
+        $vid $vif_details -c 
     $service vswitch reload
 
     ${IP} link set "${vif}" up                          || logger -t scripts-vif "Failed to ip link set ${vif} up"