Remove stage deployment

.github/workflows/stage.yaml

@@ -1,25 +0,0 @@
-name: Deploy to Cloudflare Workers(Staging)
-
-on:
-  pull_request_target:
-    paths-ignore:
-      - '**.md'
-  repository_dispatch:
-
-jobs:
-  build-and-deploy:
-    runs-on: ubuntu-latest
-    name: Build & Deploy
-    steps:
-      - uses: actions/checkout@v4
-      - name: Publish
-        uses: cloudflare/wrangler-action@v3
-        env:
-          CUSTOM_DOMAIN: ${{ secrets.CUSTOM_DOMAIN || 'libcuda.so' }}
-        with:
-          apiToken: ${{ secrets.CF_API_TOKEN }}
-          accountId: ${{secrets.CF_ACCOUNT_ID}}
-          vars:
-            CUSTOM_DOMAIN
-          command: deploy --env staging --minify src/index.js
-          environment: staging