chore: remove storybook interaction/a11y CI gate

The story-level test-runner gate needs its own dedicated rollout (direct
playwright dependency plus triage of a11y assertions across all stories),
so it is deferred to a follow-up. Local test-storybook scripts are retained.

Author: yahyafakhroji

.github/workflows/ci.yml

@@ -111,35 +111,3 @@ jobs:
           path: packages/datum-ui/dist/
 
       - run: pnpm --filter @repo/storybook build
-
-  storybook-test:
-    name: Test Storybook
-    runs-on: ubuntu-latest
-    needs: [build]
-    steps:
-      - uses: actions/checkout@v4
-
-      - uses: pnpm/action-setup@v4
-
-      - uses: actions/setup-node@v4
-        with:
-          node-version: 24
-          cache: pnpm
-
-      - run: pnpm install --frozen-lockfile
-
-      - uses: actions/download-artifact@v4
-        with:
-          name: datum-ui-dist
-          path: packages/datum-ui/dist/
-
-      - name: Install Playwright browser
-        run: pnpm --filter @repo/storybook exec playwright install --with-deps chromium
-
-      - name: Build Storybook
-        run: pnpm --filter @repo/storybook build
-
-      # Runs every story as a smoke/interaction test and asserts axe a11y rules,
-      # turning the addon-a11y config in preview.tsx into a CI gate.
-      - name: Run Storybook tests (interactions + a11y)
-        run: pnpm --filter @repo/storybook test-storybook:ci