Revert "feat(website): add responsive homepage and GitHub Pages deployment (#…"

This reverts commit bb508d4118.

.github/workflows/website.yml

@@ -1,86 +0,0 @@
-name: Website
-
-on:
-  push:
-    branches: [main]
-    paths:
-      - "website/**"
-      - ".github/workflows/website.yml"
-  pull_request:
-    paths:
-      - "website/**"
-      - ".github/workflows/website.yml"
-  workflow_dispatch:
-  release:
-    types: [published]
-  # Releases published by GITHUB_TOKEN do not trigger another release workflow.
-  workflow_run:
-    workflows: [Release]
-    types: [completed]
-
-permissions:
-  contents: read
-
-concurrency:
-  group: website-${{ github.ref }}
-  cancel-in-progress: true
-
-jobs:
-  build:
-    if: github.event_name != 'workflow_run' || github.event.workflow_run.conclusion == 'success'
-    runs-on: ubuntu-latest
-    permissions:
-      contents: read
-      pages: read
-    defaults:
-      run:
-        working-directory: website
-    steps:
-      - uses: actions/checkout@v4
-      - uses: pnpm/action-setup@v4
-        with:
-          package_json_file: website/package.json
-      - uses: actions/setup-node@v4
-        with:
-          node-version: 22
-          cache: pnpm
-          cache-dependency-path: website/pnpm-lock.yaml
-      - run: pnpm install --frozen-lockfile
-      - run: pnpm test
-      - name: Refresh official release downloads
-        env:
-          GITHUB_TOKEN: ${{ github.token }}
-        run: pnpm release:refresh
-      # A PR must be testable before Pages has been enabled in repository settings.
-      - id: pages
-        if: github.event_name != 'pull_request'
-        uses: actions/configure-pages@v5
-      - name: Build static homepage
-        env:
-          BASE_PATH: ${{ github.event_name == 'pull_request' && format('/{0}', github.event.repository.name) || steps.pages.outputs.base_path }}
-          VITE_SITE_URL: ${{ steps.pages.outputs.base_url }}
-        run: pnpm build && pnpm typecheck && pnpm check:static
-      # Also verify a custom-domain / user-site root with no repository prefix.
-      - name: Check root deployment
-        if: github.event_name == 'pull_request'
-        env:
-          BASE_PATH: /
-        run: pnpm build && pnpm check:static
-      - uses: actions/upload-pages-artifact@v4
-        if: github.event_name != 'pull_request'
-        with:
-          path: website/dist/client
-
-  deploy:
-    if: github.ref == 'refs/heads/main' && github.event_name != 'pull_request'
-    needs: build
-    runs-on: ubuntu-latest
-    permissions:
-      pages: write
-      id-token: write
-    environment:
-      name: github-pages
-      url: ${{ steps.deployment.outputs.page_url }}
-    steps:
-      - id: deployment
-        uses: actions/deploy-pages@v4