Drop coveralls integration in CI

Author: keithamus

.github/workflows/ci.yml

@@ -25,10 +25,6 @@ jobs:
           node-version: ${{ matrix.node_version }}
       - run: npm ci
       - run: npm test
-      - uses: coverallsapp/github-action@v1.0.1
-        with:
-          github-token: ${{ secrets.github_token }}
-
 
   publish-npm:
     if: ${{ github.event_name == 'push' }}