Removed redundant installation of pipenv

.gitlab-ci.yml

@@ -11,10 +11,10 @@ cache:
   - ~/.cache/pip/
 
 stages:
-  - build
+  - test
 
 build:
-  stage: build
+  stage: test
   tags:
     - shared-fi
   before_script:
@@ -23,7 +23,6 @@ build:
     - service redis-server start
     - python -V         # Print out python version for debugging
     - pip install pipenv
-    - pip install pipenv
 
   script:
     - pipenv install --dev