remove node_env from workflows as they are not needed

close #6

.github/workflows/example-runs.yml

@@ -42,6 +42,4 @@ jobs:
           node-version: '16.x'
       - name: Application Tests
         run: npm test
-        # needed so we force the tests to run in test mode as if we did not have it, it detects it's inside github actions and runs as if in production.
-        env:
-          NODE_ENV: test
+

.github/workflows/test-coverage.yml

@@ -17,5 +17,3 @@ jobs:
         uses: mattallty/jest-github-action@v1
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-          # needed so we force the tests to run in test mode as if we did not have it, it detects it's inside github actions and runs as if in production.
-          NODE_ENV: test