Merge branch 'fix-ci' into 'master'

fixes gitlab-ci (original state)

Same thing here @axil  ( as in pages/hugo!4) 

I don't know why my  forked `master ` branch was merged to the upstream... The MR I added to update the "readme" was coming from a branch in the Pages group, not from my forked project.

Anyway, this MR will bring the `.gitlab-ci.yml` to its original state. 

See merge request !5

.gitlab-ci.yml

@@ -1,16 +1,5 @@
 image: publysher/hugo
 
-cache:
-    paths:
-    - /var/cache/apt/archives/
-
-before_script:
-  - apt-get update
-  - apt-get -qq install git-core
-  - git config --global user.name "User Name"
-  - git config --global user.email "user@example.com"
-  - git config --list
-
 pages:
   script:
   - hugo