fix(helmet): remove helmet

cmd/helmet/helmet.go

-package main
-
-import (
-	"fmt"
-	"os"
-
-	"github.com/codegangsta/cli"
-	"github.com/deis/tiller/pkg/hapi"
-	ctx "golang.org/x/net/context"
-	"google.golang.org/grpc"
-)
-
-func main() {
-	app := cli.NewApp()
-	app.Name = "helmet"
-	app.Usage = "The Helm Easy Tester (HelmET)"
-	app.Action = run
-
-	app.Run(os.Args)
-}
-
-func run(c *cli.Context) {
-	conn, err := grpc.Dial("localhost:44134", grpc.WithInsecure())
-	if err != nil {
-		fmt.Fprintf(os.Stderr, "Could not connect to server: %s\n", err)
-		os.Exit(1)
-	}
-	defer conn.Close()
-
-	pc := hapi.NewProbeClient(conn)
-
-	req := &hapi.PingRequest{Name: "helmet"}
-	res, err := pc.Ready(ctx.Background(), req)
-	if err != nil {
-		fmt.Fprintf(os.Stderr, "Error pinging server: %s\n", err)
-		os.Exit(1)
-	}
-
-	fmt.Printf("Server is %s\n", res.Status)
-}