removed python prep

.gitlab-ci.yml

@@ -1,24 +1,3 @@
-# Change pip's cache directory to be inside the project directory since we can
-# only cache local items.
-variables:
-  PIP_CACHE_DIR: "$CI_PROJECT_DIR/.cache/pip"
-
-# Pip's cache doesn't store the python packages
-# https://pip.pypa.io/en/stable/reference/pip_install/#caching
-#
-# If you want to also cache the installed packages, you have to install
-# them in a virtualenv and cache it as well.
-cache:
-  paths:
-    - .cache/pip
-    - venv/
-
-before_script:
-  - python3 -V  # Print out python version for debugging
-  - pip install virtualenv
-  - virtualenv venv
-  - source venv/bin/activate
-
 build_zeo:
   stage: build
   tags: