Remove deploy stage for now

It doesn't currently do anything

.gitlab-ci.yml

@@ -19,7 +19,6 @@
 stages:          # List of stages for jobs, and their order of execution
   - build
   - test
-  - deploy
 
 build-job:       # This job runs in the build stage, which runs first.
   stage: build
@@ -40,17 +39,3 @@ unit-test-job:   # This job runs in the test stage.
   script:
     - cd build-ci
     - ninja test
-
-lint-test-job:   # This job also runs in the test stage.
-  stage: test    # It can run at the same time as unit-test-job (in parallel).
-  script:
-    - echo "Linting code... This will take about 10 seconds."
-    - sleep 10
-    - echo "No lint issues found."
-
-deploy-job:      # This job runs in the deploy stage.
-  stage: deploy  # It only runs when *both* jobs in the test stage complete successfully.
-  environment: production
-  script:
-    - echo "Deploying application..."
-    - echo "Application successfully deployed."