remove docker service

cicd/release-image-in-registry.yml

-image: docker:20
-services:
-  - docker:20-dind
+image: 
+  name: gcr.io/kaniko-project/executor:debug
+  entrypoint: [""]
+
 stages:
   - build
   - test
@@ -15,9 +16,6 @@ stages:
 
 .release-images-template:
   stage: release
-  image:
-    name: gcr.io/kaniko-project/executor:debug
-    entrypoint: [""]
   before_script:
     - mkdir -p /kaniko/.docker
     - echo "{\"auths\":{\"${CI_REGISTRY}\":{\"auth\":\"$(printf "%s:%s" "${CI_REGISTRY_USER}" "${CI_REGISTRY_PASSWORD}" | base64 | tr -d '\n')\"}}}" > /kaniko/.docker/config.json