Resolve "Change default docker registry"

Closes #27 (closed)

.gitlab-industrial-ci-kinetic-no-rosinstall.yml

-image: tecnalia-docker-dev.artifact.tecnalia.com/docker:git
+image: docker:git
 
 variables:
   TMPDIR: /builds/${CI_PROJECT_NAMESPACE}
@@ -13,7+13,7 @@
   - postcheck
 
 before_script:
   - apk add --update bash coreutils tar wget
 
 .industrial_ci:
   stage: build
@@ -157,7+157,7 @@
 ##########################################################
 adoc_syntax:
   stage: postcheck
-  image: tecnalia-docker-dev.artifact.tecnalia.com/alpine
+  image: alpine
   before_script:
     - apk add --update curl asciidoctor bash
   script: