Remove caching

According to https://github.com/actions/setup-node caching
only supports lock file in project root.

Author: aaronvb

.github/workflows/test_js.yml

@@ -19,8 +19,6 @@ jobs:
       uses: actions/setup-node@v2
       with:
         node-version: '16'
-        cache: 'yarn'
-        working-directory: web
 
     - name: Install dependencies
       run: yarn install