Remove temporary migration validation workflow

.github/workflows/agent-migrate-app-config.yml

@@ -1,95 +0,0 @@
----
-name: Validate add-on config map migration
-
-on:
-  pull_request:
-    branches:
-      - agent/support-app-config-linter
-
-permissions:
-  contents: read
-
-jobs:
-  validate:
-    if: ${{ github.event.pull_request.head.repo.full_name == github.repository }}
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout migration branch
-        uses: actions/checkout@v7.0.1
-        with:
-          repository: ${{ github.event.pull_request.head.repo.full_name }}
-          ref: ${{ github.event.pull_request.head.ref }}
-          fetch-depth: 0
-
-      - name: Validate repository migration
-        shell: bash
-        run: |
-          set -euo pipefail
-
-          git diff --check "${{ github.event.pull_request.base.sha }}...HEAD"
-
-          if git grep -n addon_config -- ':!.github/workflows/agent-migrate-app-config.yml'; then
-            echo "Legacy map-name references remain outside the temporary validation workflow" >&2
-            exit 1
-          fi
-
-          changed_configs=$(git diff --name-only "${{ github.event.pull_request.base.sha }}...HEAD" | grep -Ec '^[^/]+/config\.(json|ya?ml)$' || true)
-          changed_changelogs=$(git diff --name-only "${{ github.event.pull_request.base.sha }}...HEAD" | grep -Ec '^[^/]+/CHANGELOG\.md$' || true)
-          if [ "$changed_configs" -eq 0 ]; then
-            echo "No add-on manifests changed" >&2
-            exit 1
-          fi
-          if [ "$changed_changelogs" -lt "$changed_configs" ]; then
-            echo "Fewer changelogs than changed add-on manifests: $changed_changelogs < $changed_configs" >&2
-            exit 1
-          fi
-
-          echo "Changed add-on manifests: $changed_configs"
-          echo "Changed add-on changelogs: $changed_changelogs"
-
-      - name: Run compatibility normalizer unit tests
-        run: python3 .github/scripts/test_prepare_addon_lint_config.py
-
-      - name: Create current-schema linter fixtures
-        shell: bash
-        run: |
-          set -euo pipefail
-          mkdir -p .tmp-addon-linter-short .tmp-addon-linter-long
-
-          cat > .tmp-addon-linter-short/config.yaml <<'SHORT_FIXTURE'
-          ---
-          name: App Config Short Form Fixture
-          version: "1.0.0"
-          slug: app_config_short_fixture
-          description: Validates current Home Assistant short-form app map names
-          arch:
-            - amd64
-          map:
-            - app_config:rw
-            - all_app_configs:ro
-          SHORT_FIXTURE
-
-          cat > .tmp-addon-linter-long/config.yaml <<'LONG_FIXTURE'
-          ---
-          name: App Config Long Form Fixture
-          version: "1.0.0"
-          slug: app_config_long_fixture
-          description: Validates current Home Assistant long-form app map names
-          arch:
-            - amd64
-          map:
-            - type: app_config
-              read_only: false
-            - type: all_app_configs
-              read_only: true
-          LONG_FIXTURE
-
-      - name: Verify short-form current map names through upstream linter
-        uses: ./.github/actions/addon-linter
-        with:
-          path: ./.tmp-addon-linter-short
-
-      - name: Verify long-form current map names through upstream linter
-        uses: ./.github/actions/addon-linter
-        with:
-          path: ./.tmp-addon-linter-long