ci(test-frontend): Cypressをやめる (MisskeyIO#446)

ぶっ壊れてるので

.github/workflows/test-frontend.yml

@@ -56,78 +56,3 @@ jobs:
       with:
         token: ${{ secrets.CODECOV_TOKEN }}
         files: ./packages/frontend/coverage/coverage-final.json
-
-  e2e:
-    runs-on: ubuntu-latest
-
-    strategy:
-      fail-fast: false
-      matrix:
-        node-version: [20.x]
-        browser: [chrome]
-
-    services:
-      postgres:
-        image: postgres:15
-        ports:
-          - 54312:5432
-        env:
-          POSTGRES_DB: test-misskey
-          POSTGRES_HOST_AUTH_METHOD: trust
-      keydb:
-        image: eqalpha/keydb:latest
-        ports:
-          - 56312:6379
-
-    steps:
-    - uses: actions/checkout@v4.1.1
-      with:
-        submodules: true
-    # https://github.com/cypress-io/cypress-docker-images/issues/150
-    #- name: Install mplayer for FireFox
-    #  run: sudo apt install mplayer -y
-    #  if: ${{ matrix.browser == 'firefox' }}
-    #- uses: browser-actions/setup-firefox@latest
-    #  if: ${{ matrix.browser == 'firefox' }}
-    - name: Install pnpm
-      uses: pnpm/action-setup@v3
-      with:
-        version: 8
-        run_install: false
-    - name: Use Node.js ${{ matrix.node-version }}
-      uses: actions/setup-node@v4.0.2
-      with:
-        node-version: ${{ matrix.node-version }}
-        cache: 'pnpm'
-    - run: corepack enable
-    - run: pnpm i --frozen-lockfile
-    - name: Copy Configure
-      run: cp .github/misskey/test.yml .config
-    - name: Build
-      run: pnpm build
-    # https://github.com/cypress-io/cypress/issues/4351#issuecomment-559489091
-    - name: ALSA Env
-      run: echo -e 'pcm.!default {\n type hw\n card 0\n}\n\nctl.!default {\n type hw\n card 0\n}' > ~/.asoundrc
-    # XXX: This tries reinstalling Cypress if the binary is not cached
-    # Remove this when the cache issue is fixed
-    - name: Cypress install
-      run: pnpm exec cypress install
-    - name: Cypress run
-      uses: cypress-io/github-action@v6
-      timeout-minutes: 15
-      with:
-        install: false
-        start: pnpm start:test
-        wait-on: 'http://localhost:61812'
-        headed: true
-        browser: ${{ matrix.browser }}
-    - uses: actions/upload-artifact@v4
-      if: failure()
-      with:
-        name: ${{ matrix.browser }}-cypress-screenshots
-        path: cypress/screenshots
-    - uses: actions/upload-artifact@v4
-      if: always()
-      with:
-        name: ${{ matrix.browser }}-cypress-videos
-        path: cypress/videos