builder/vmware: Ignore shutdown errors

Resolves issue where `shutdown_command` would error because the remote
side disconnected, which we should have expected and ignored.

builder/vmware/common/step_shutdown.go

@@ -57,18 +57,6 @@ func (s *StepShutdown) Run(state multistep.StateBag) multistep.StepAction {
 			return multistep.ActionHalt
 		}
 
-		// Wait for the command to run
-		cmd.Wait()
-
-		// If the command failed to run, notify the user in some way.
-		// Ignores disconnect errors.
-		if cmd.ExitStatus != packer.CmdDisconnect && cmd.ExitStatus != 0 {
-			state.Put("error", fmt.Errorf(
-				"Shutdown command has non-zero exit status.\n\nStdout: %s\n\nStderr: %s",
-				stdout.String(), stderr.String()))
-			return multistep.ActionHalt
-		}
-
 		log.Printf("Shutdown stdout: %s", stdout.String())
 		log.Printf("Shutdown stderr: %s", stderr.String())