ci: remove duplicate step

Author: mikaello

.github/workflows/build-and-test.yml

@@ -16,6 +16,5 @@ jobs:
         node-version: ${{ matrix.node-version }}
         cache: 'npm'
     - run: yarn install --frozen-lockfile
-    - run: yarn build
     - name: Run the tests 👀
       run: yarn test