Resolve "Some jobs running with docker service even if not needed."

Closes #51 (closed)

ci-templates/core.yml

@@ -10,9 +10,6 @@ variables:
   TMPDIR: /builds/${CI_PROJECT_NAMESPACE}
   GIT_LFS_SKIP_SMUDGE: 1 # Avoid fetching the files from LFS when doing git fetch
 
-services:
-  - name: tecnalia-docker-dev.artifact.tecnalia.com/docker:dind
-    alias: docker
 
 stages:
   - build