Remove unused docker client code

At the moment it's just boilerplate.

Signed-off-by: Chris <[email protected]>

cfg/types.go

@@ -1,11 +1,8 @@
 package cfg
 
 import (
-	log "github.com/sirupsen/logrus"
-	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
-	core "k8s.io/client-go/kubernetes/typed/core/v1"
-
 	"github.com/appuio/seiso/pkg/kubernetes"
+	log "github.com/sirupsen/logrus"
 )
 
 type (
@@ -46,12 +43,6 @@ type (
 		Labels    []string `koanf:"label"`
 		OlderThan string   `koanf:"older-than"`
 	}
-	// CoreObjectInterface defines interface for core kubernetes resources
-	CoreObjectInterface interface {
-		Delete(name string, options *metav1.DeleteOptions) error
-	}
-	// ResourceNamespaceSelector gets resource from client
-	ResourceNamespaceSelector func(*core.CoreV1Client) CoreObjectInterface
 )
 
 // NewDefaultConfig retrieves the hardcoded configs with sane defaults

go.mod

@@ -6,7 +6,6 @@ require (
 	github.com/etdub/goparsetime v0.0.0-20160315173935-ea17b0ac3318 // indirect
 	github.com/gregjones/httpcache v0.0.0-20190611155906-901d90724c79 // indirect
 	github.com/hashicorp/go-version v1.2.0
-	github.com/heroku/docker-registry-client v0.0.0-20190909225348-afc9e1acc3d5
 	github.com/imdario/mergo v0.3.8 // indirect
 	github.com/json-iterator/go v1.1.8 // indirect
 	github.com/karrick/tparse v2.4.2+incompatible