Removed Gitlab CI - it requires too much set up for now

.gitlab-ci.yml

@@ -1,15 +0,0 @@
-default:
-    image: python:3.9
-    before_script:
-        - apt-get update
-        - apt-get install -y python3-pip
-        - pip install -r requirements.txt
-
-stages:
-    - test
-
-test:
-    script:
-        - coverage run -m pytest
-        - coverage report
-