Partial revert of rails#54569

I didn't mean to change devcontainer-smoke-test.yml

Author: byroot

.github/workflows/devcontainer-smoke-test.yml

@@ -17,11 +17,6 @@ jobs:
       - name: Checkout (GitHub)
         uses: actions/checkout@v4
 
-      - name: Lint Entrypoint Script
-        run: |
-          sudo apt install -y shellcheck
-          shellcheck .devcontainer/boot.sh
-
       - name: Login to GitHub Container Registry
         uses: docker/login-action@v3
         with: