*: remove "./cmd/tools" in build commands

Signed-off-by: Gyuho Lee <gyuhox@gmail.com>

Dockerfile-functional-tester

@@ -47,7 +47,7 @@ RUN go get -v github.com/coreos/gofail \
   && cp ./bin/etcd-agent /etcd-agent \
   && cp ./bin/etcd-tester /etcd-tester \
   && cp ./bin/etcd-runner /etcd-runner \
-  && go build -v -o /benchmark ./cmd/tools/benchmark \
-  && go build -v -o /etcd-test-proxy ./cmd/tools/etcd-test-proxy \
+  && go build -v -o /benchmark ./tools/benchmark \
+  && go build -v -o /etcd-test-proxy ./tools/etcd-test-proxy \
   && popd \
   && rm -rf ${GOPATH}/src/github.com/coreos/etcd

hack/scripts-dev/Makefile

@@ -418,7 +418,7 @@ docker-dns-srv-test-certs-wildcard-run:
 #   make build-etcd-test-proxy -f ./hack/scripts-dev/Makefile
 
 build-etcd-test-proxy:
-	go build -v -o ./bin/etcd-test-proxy ./cmd/tools/etcd-test-proxy
+	go build -v -o ./bin/etcd-test-proxy ./tools/etcd-test-proxy
 
 
 

tools/etcd-test-proxy/README.md

@@ -20,7 +20,7 @@ $ ETCDCTL_API=3 ./bin/etcdctl --endpoints localhost:23790 put foo bar
 Proxy overhead per request is under 500μs
 
 ```bash
-$ go build -v -o ./bin/benchmark ./cmd/tools/benchmark
+$ go build -v -o ./bin/benchmark ./tools/benchmark
 
 $ ./bin/benchmark \
   --endpoints localhost:2379 \