veyron/services/mgmt/build: minor cleanup
veyron/services/mgmt/build: minor cleanup

Change-Id: I917fd2f32b02d2cabe6693af64c61673782a4651

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