Remove gitlab-ci

Signed-off-by: Dimitris Zlatanidis <d.zlatanidis@gmail.com>

.gitlab-ci.yml

@@ -1,21 +0,0 @@
-image: "python:3.7"
-
-before_script:
-  - python --version
-  - pip install -r requirements.txt
-
-stages:
-  - Static Analysis
-  - Test
-
-flake8:
-  stage: Static Analysis
-  script:
-  - flake8 --max-line-length=120 bild/*.py
-
-unit_test:
-  stage: Test
-  script:
-  - export PYTHONPATH="$PYTHONPATH:."
-  - python -c "import sys;print(sys.path)"
-  - pytest