Drop luet, image extractor, drop build code and multiarch images (#20)

Co-authored-by: Mauro Morales <mauro.morales@spectrocloud.com>

tests/mocks/extractor_mock.go

@@ -0,0 +1,45 @@
+/*
+Copyright © 2022 - 2023 SUSE LLC
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package mocks
+
+import v1 "github.com/kairos-io/kairos/v2/pkg/types/v1"
+
+type FakeImageExtractor struct {
+	Logger     v1.Logger
+	SideEffect func(imageRef, destination, platformRef string, local bool) error
+}
+
+var _ v1.ImageExtractor = FakeImageExtractor{}
+
+func NewFakeImageExtractor(logger v1.Logger) *FakeImageExtractor {
+	if logger == nil {
+		logger = v1.NewNullLogger()
+	}
+	return &FakeImageExtractor{
+		Logger: logger,
+	}
+}
+
+func (f FakeImageExtractor) ExtractImage(imageRef, destination, platformRef string, local bool) error {
+	f.Logger.Debugf("extracting %s to %s in platform %s", imageRef, destination, platformRef)
+	if f.SideEffect != nil {
+		f.Logger.Debugf("running side effect")
+		return f.SideEffect(imageRef, destination, platformRef, local)
+	}
+
+	return nil
+}