Remove commented code

Needed fix described in issue go-gitea#6889

modules/ssh/ssh.go

@@ -52,22 +52,6 @@ func handleServerConn(keyID string, chans <-chan ssh.NewChannel) {
 			for req := range in {
 				payload := cleanCommand(string(req.Payload))
 				switch req.Type {
-				/*
-					//Disabled as it doesn't do anything to sub-sequent calls
-					//TODO fix by populating an array of env to be added at cmd.Env of exec calls
-					case "env":
-						args := strings.Split(strings.Replace(payload, "\x00", "", -1), "\v")
-						if len(args) != 2 {
-							log.Warn("SSH: Invalid env arguments: '%#v'", args)
-							continue
-						}
-						args[0] = strings.TrimLeft(args[0], "\x04")
-						_, _, err := com.ExecCmdBytes("env", args[0]+"="+args[1])
-						if err != nil {
-							log.Error("env: %v", err)
-							return
-						}
-				*/
 				case "exec":
 					cmdName := strings.TrimLeft(payload, "'()")
 					log.Trace("SSH: Payload: %v", cmdName)