chore: do not create/maintain v2 changelogs

.github/workflows/changelogensets.yml

@@ -1,35 +0,0 @@
-name: changelog
-
-on:
-  push:
-    branches:
-      - 2.x
-
-permissions:
-  pull-requests: write
-  contents: write
-
-concurrency:
-  group: ${{ github.workflow }}-${{ github.event.number || github.sha }}
-  cancel-in-progress: ${{ github.event_name != 'push' }}
-
-jobs:
-  update-changelog:
-    if: github.repository_owner == 'nuxt' && !contains(github.event.head_commit.message, 'v2.')
-    runs-on: ubuntu-latest
-
-    steps:
-      - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
-        with:
-          fetch-depth: 0
-      - run: corepack enable
-      - uses: actions/setup-node@60edb5dd545a775178f52524783378180af0d1f8 # v4.0.2
-        with:
-          cache: "yarn"
-
-      - name: install
-        run: yarn --check-files --frozen-lockfile --non-interactive
-
-      - run: yarn jiti ./scripts/update-changelog.ts
-        env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}