veyron/tools/mgmt/nodex: Code cleanup.
veyron/tools/mgmt/nodex: Code cleanup.

Tiny code cleanup in nodex.

Change-Id: I6f5d280fef874efc39494c558aae848d1c0d0688

vanadium/go.ref,vanadium/go.ref,vanadium/go.ref,vanadium/go.ref,vanadium/go.ref,vanadium/go.ref