Fix GitHub CI workflow

.github/workflows/ci.yaml

@@ -7,7 +7,7 @@ on:
     branches: [ master ]
 
 jobs:
-  run-tests:
+  run-checks:
     runs-on: ubuntu-latest
     strategy:
       matrix:
@@ -21,19 +21,7 @@ jobs:
         run: npm ci
       - name: Run tests
         run: xvfb-run -a npm test
-  build-package:
-    runs-on: ubuntu-latest
-    strategy:
-      matrix:
-        node: [14, 16]
-    steps:
-      - uses: actions/checkout@v2
-      - uses: actions/setup-node@v2
-        with:
-          node-version: ${{ matrix.node }}
       - name: Install vsce
-        run: sudo npm install -g vsce
-      - name: Install node packages
-        run: npm ci
+        run: npm install -g vsce
       - name: Build vsix extension package
         run: vsce package