Removed useless health cmd

src/cmd/health/main.go

@@ -1,39 +0,0 @@
-package main
-
-import (
-	"flag"
-	"fmt"
-	"os"
-)
-
-const usageText = `This program runs healthcheck on the app.
-Usage:
-  go run cmd/health/main.go
-`
-
-func init() {
-	flag.Usage = func() {
-		fmt.Print(usageText)
-		flag.PrintDefaults()
-		os.Exit(2)
-	}
-	flag.Parse()
-}
-
-func main() {
-	var exitCode = 1
-	if isOk := healthCheck(); isOk {
-		exitCode = 0
-	}
-	os.Exit(exitCode)
-}
-
-func healthCheck() bool {
-	run, err := os.Open("./app.run")
-	if err != nil {
-		return false
-	}
-	defer run.Close()
-
-	return true
-}