Move cloud metadata packages and kubernetes resources marshaling to internal

Decouples cloud provider metadata packages from kubernetes related code

Signed-off-by: Malte Poll <mp@edgeless.systems>

bootstrapper/internal/kubernetes/k8sapi/resources/configmaps_test.go

@@ -1,49 +0,0 @@
-package resources
-
-import (
-	"testing"
-
-	"github.com/stretchr/testify/assert"
-	"github.com/stretchr/testify/require"
-	k8s "k8s.io/api/core/v1"
-	v1 "k8s.io/apimachinery/pkg/apis/meta/v1"
-)
-
-func TestConfigMaps(t *testing.T) {
-	require := require.New(t)
-	assert := assert.New(t)
-
-	configMaps := ConfigMaps{
-		&k8s.ConfigMap{
-			TypeMeta: v1.TypeMeta{
-				Kind:       "ConfigMap",
-				APIVersion: "v1",
-			},
-			Data: map[string]string{"key": "value1"},
-		},
-		&k8s.ConfigMap{
-			TypeMeta: v1.TypeMeta{
-				Kind:       "ConfigMap",
-				APIVersion: "v1",
-			},
-			Data: map[string]string{"key": "value2"},
-		},
-	}
-	data, err := configMaps.Marshal()
-	require.NoError(err)
-
-	assert.Equal(`apiVersion: v1
-data:
-  key: value1
-kind: ConfigMap
-metadata:
-  creationTimestamp: null
----
-apiVersion: v1
-data:
-  key: value2
-kind: ConfigMap
-metadata:
-  creationTimestamp: null
-`, string(data))
-}