Add support for garbage collecting images.

pkg/kubelet/util.go

@@ -24,7 +24,6 @@ import (
 	"path"
 	"strconv"
 	"strings"
-	"time"
 
 	"github.com/GoogleCloudPlatform/kubernetes/pkg/capabilities"
 	"github.com/GoogleCloudPlatform/kubernetes/pkg/client"
@@ -77,18 +76,6 @@ func ConnectToDockerOrDie(dockerEndpoint string) *docker.Client {
 	return client
 }
 
-// TODO: move this into the kubelet itself
-func GarbageCollectLoop(k *Kubelet) {
-	func() {
-		util.Forever(func() {
-			err := k.GarbageCollectContainers()
-			if err != nil {
-				glog.Errorf("Garbage collect failed: %v", err)
-			}
-		}, time.Minute*1)
-	}()
-}
-
 // TODO: move this into the kubelet itself
 func MonitorCAdvisor(k *Kubelet, cp uint) {
 	defer util.HandleCrash()