Apply suggestions from code review

Co-authored-by: Wilken Rivera <wilken@hashicorp.com>

communicator/step_connect_ssh.go

@@ -50,14 +50,10 @@ func (s *StepConnectSSH) Run(ctx context.Context, state multistep.StateBag) mult
 	}()
 
 	log.Printf("[INFO] Waiting for SSH, up to timeout: %s", s.Config.SSHTimeout)
-	var timeout <-chan time.Time
-	// Only setup a timeout when it is specified in the configs
-	if s.Config.SSHTimeout != 0 {
+	timeout := make(<-chan time.Time)
+	if s.Config.SSHTimeout > 0 {
 		timeout = time.After(s.Config.SSHTimeout)
-	} else {
-		timeout = make(<-chan time.Time)
-	}
-
+	} 
 	for {
 		// Wait for either SSH to become available, a timeout to occur,
 		// or an interrupt to come through.