Remove dead code

Signed-off-by: Federico Guerinoni <guerra@develer.com>

Author: Federico Guerinoni

install.go

@@ -41,8 +41,6 @@ import (
 	"time"
 
 	"github.com/arduino/arduino-connector/auth"
-	"github.com/docker/docker/api/types"
-	docker "github.com/docker/docker/client"
 	mqtt "github.com/eclipse/paho.mqtt.golang"
 	"github.com/facchinm/service"
 	"github.com/kardianos/osext"
@@ -116,47 +114,6 @@ func createConfigFolder() error {
 	return nil
 }
 
-func retrieveDockerImages() ([]string, error) {
-	imageListOptions := types.ImageListOptions{All: true}
-
-	cli, err := docker.NewClientWithOpts(docker.WithVersion("1.38"))
-	if err != nil {
-		return []string{}, err
-	}
-
-	images, err := cli.ImageList(context.Background(), imageListOptions)
-	if err != nil {
-		return []string{}, err
-	}
-
-	imgs := []string{}
-	for _, v := range images {
-		imgs = append(imgs, v.RepoTags[0])
-	}
-	return imgs, nil
-}
-
-func retrieveDockerContainer() ([]string, error) {
-	cli, err := docker.NewClientWithOpts(docker.WithVersion("1.38"))
-	if err != nil {
-		return []string{}, err
-	}
-
-	containers, err := cli.ContainerList(context.Background(), types.ContainerListOptions{All: true})
-	if err != nil {
-		return []string{}, err
-	}
-
-	cs := []string{}
-	for _, v := range containers {
-		cs = append(cs, v.ID)
-	}
-
-	fmt.Println("containers when create config: ", cs)
-
-	return cs, nil
-}
-
 func isNetManagerInstalled() bool {
 	cmd := exec.Command("bash", "-c", "dpkg --get-selections | grep network-manager")
 	out, _ := cmd.CombinedOutput()