chore: remove github pages workflow

.github/workflows/docs.yml

@@ -1,47 +0,0 @@
-name: Deploy VitePress site to Pages
-on:
-  push:
-    branches: ["main", "next", "next-nix-generate-docs"]
-  workflow_dispatch:
-permissions:
-  contents: read
-  pages: write
-  id-token: write
-concurrency:
-  group: pages
-  cancel-in-progress: false
-jobs:
-  build:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v4
-        with:
-          fetch-depth: 1
-      - uses: pnpm/action-setup@v3
-      - name: Setup Node
-        uses: actions/setup-node@v4
-        with:
-          node-version: 22
-          cache: pnpm
-      - name: Setup Pages
-        uses: actions/configure-pages@v4
-      - name: Install dependencies
-        run: pnpm install
-      - name: Build with VitePress
-        run: pnpm run docs:build
-      - name: Upload artifact
-        uses: actions/upload-pages-artifact@v3
-        with:
-          path: docs/.vitepress/dist
-  deploy:
-    environment:
-      name: github-pages
-      url: ${{ steps.deployment.outputs.page_url }}
-    needs: build
-    runs-on: ubuntu-latest
-    name: Deploy
-    steps:
-      - name: Deploy to GitHub Pages
-        id: deployment
-        uses: actions/deploy-pages@v4