Don't spam the linux console with 'logging in as karaf' messages

Fixes ONOS-4337

Change-Id: I1cd4b63706e5758a4f818f23904ebfd39d1d972b

@@ -25,7 +25,7 @@ pre-start script
 end script
 end script
 
 
 pre-stop script
 pre-stop script
-    /opt/onos/bin/onos halt 2>>/opt/onos/var/stderr.log
+    /opt/onos/bin/onos halt 1>>/opt/onos/var/stdout.log 2>>/opt/onos/var/stderr.log
     sleep 1
     sleep 1
 end script
 end script