removed unused function

otel-agent/ecs-ec2/ecsattributesprocessor/docker.go

@@ -176,40 +176,3 @@ func getEndpoints(ctx context.Context) (map[string][]string, error) {
 
 	return m, nil
 }
-
-func getEndpointsByID(containerID string) (map[string][]string, error) {
-	// Initialize Docker client
-	cli, err := client.NewClientWithOpts(client.FromEnv, client.WithAPIVersionNegotiation())
-	if err != nil {
-		return nil, fmt.Errorf("failed to create docker client: %s", err)
-	}
-
-	c, err := cli.ContainerInspect(context.Background(), containerID)
-	if err != nil {
-		return nil, fmt.Errorf("failed to inspect docker container %s: %s", containerID, err)
-	}
-
-	var endpoints []string
-
-	for _, env := range c.Config.Env {
-
-		// use regex to match ECS_CONTAINER_METADATA_URI_V4 and ECS_CONTAINER_METADATA_URI
-		for _, n := range []string{ecsContainerMetadataURIv4, ecsContainerMetadataURI} {
-			reg := regexp.MustCompile(fmt.Sprintf(`^%s=(.*$)`, n))
-			if !reg.MatchString(env) {
-				continue
-			}
-
-			matches := reg.FindStringSubmatch(env)
-			if len(matches) < 2 {
-				continue
-			}
-
-			endpoints = append(endpoints, matches[1])
-		}
-	}
-
-	m := make(map[string][]string)
-	m[containerID] = endpoints
-	return m, nil
-}