Benchmark: remove redundant function call
Benchmark: remove redundant function call

Remove the redundancy as HashKV func is being called twice.

coreos/etcd,mqliang/etcd,mkumatag/etcd,ajityagaty/etcd,etcd-io/etcd,mqliang/etcd,etcd-io/etcd,etcd-io/etcd,mkumatag/etcd,ajityagaty/etcd,rnaveiras/etcd,rnaveiras/etcd,gyuho/etcd,mkumatag/etcd,mqliang/etcd,coreos/etcd,rnaveiras/etcd,ajityagaty/etcd,gyuho/etcd