Revert "Add separate development and production pipelines"

This reverts commit d823dcd9.

.gitlab-ci.yml

@@ -9,24 +9,7 @@ stages:          # List of stages for jobs, and their order of execution
   - test
   - deploy
 
-### Development ###
-# Can run on any shared runner
-
-dev-build-job:       # This job runs in the build stage, which runs first.
-  stage: build
-  script:
-    - npm install
-    - npm run build
-
-unit-test-job:   # This job runs in the test stage.
-  stage: test    # It only starts when the job in the build stage completes successfully.
-  script:
-    - echo "Running unit tests..."
-
-### Production ###
-# Can only run on vm runner
-
-prod-build-job:       # This job runs in the build stage, which runs first.
+build-job:       # This job runs in the build stage, which runs first.
   stage: build
   script:
     - npm ci
@@ -42,8 +25,6 @@ unit-test-job:   # This job runs in the test stage.
   stage: test    # It only starts when the job in the build stage completes successfully.
   script:
     - echo "Running unit tests..."
-  tags:
-    - prod-runner  # Use the runner with correct tag to run this job
 
 deploy-job:      # This job runs in the deploy stage.
   stage: deploy  # It only runs when *all* jobs in the test stage complete successfully.
@@ -56,6 +37,4 @@ deploy-job:      # This job runs in the deploy stage.
   artifacts:
     paths:
       - next.log  # Keep output from deploy as artifact
-  tags:
-    - prod-runner  # Use the runner with correct tag to run this job