Remove conda environment.

.gitlab-ci.yml

 before_script:
   - module load python/3.7.x-anaconda
-  - conda env create -f environment.yml
+  - pip install --user pytest-pythonpath==0.7.1 pytest-cov==2.5.1
 
 stages:
   - unit
@@ -8,10 +8,4 @@ stages:
 unit_tests:
   stage: unit
   script:
-  - conda activate kce_etl
   - pytest -m unit --cov=./scripts
-
-
-after_script:
-  - conda deactivate
-  - conda env remove --name kce_etl -y