Slim down our CodeQL config

.github/workflows/codeql-analysis.yml

@@ -18,32 +18,15 @@ jobs:
       contents: read
       security-events: write
 
-    strategy:
-      fail-fast: false
-      matrix:
-        language: [ 'javascript' ]
-
     steps:
     - uses: actions/checkout@v2
       with:
         ref: ${{ github.event.pull_request.head.sha }}
 
-    - name: Read .nvmrc
-      id: nvm
-      run: echo ::set-output name=NVMRC::$(cat .nvmrc)
-
-    - name: Setup Node.js
-      uses: actions/setup-node@v1
-      with:
-        node-version: ${{ steps.nvm.outputs.NVMRC }}
-
     - name: Initialize CodeQL
       uses: github/codeql-action/init@v1
       with:
-        languages: ${{ matrix.language }}
-
-    - name: Build executable
-      run: npm run package
+        languages: javascript
 
     - name: Perform CodeQL Analysis
       uses: github/codeql-action/analyze@v1