docs: remove note about DataTrander limited availability

[yury-s]

We have a test that uses it across all browsers "should dispatch drag drop events via ElementHandles".

[github-actions]

Test results for "tests 1"

3 failed
❌ [installation tests] › tests/playwright-electron-should-work.spec.ts:21:5 › electron should work @package-installations-ubuntu-latest
❌ [installation tests] › tests/playwright-electron-should-work.spec.ts:31:5 › electron should work with special characters in path @package-installations-ubuntu-latest
❌ [installation tests] › tests/playwright-electron-should-work.spec.ts:44:5 › should work when wrapped inside @playwright/test and trace is enabled @package-installations-ubuntu-latest

8 flaky

⚠️ [firefox-page] › tests/page/page-evaluate.spec.ts:403:3 › should throw for too deep reference chain @firefox-ubuntu-22.04-node18
⚠️ [webkit-library] › tests/library/proxy.spec.ts:44:3 › should use proxy for second page @webkit-ubuntu-22.04-node18
⚠️ [webkit-library] › tests/library/selector-generator.spec.ts:135:5 › selector generator › should use data-testid in strict errors @webkit-ubuntu-22.04-node18
⚠️ [webkit-library] › tests/library/selector-generator.spec.ts:458:5 › selector generator › should accept valid data-test-id for candidate consideration @webkit-ubuntu-22.04-node18
⚠️ [webkit-library] › tests/library/trace-viewer.spec.ts:149:1 › should open simple trace viewer @webkit-ubuntu-22.04-node18
⚠️ [webkit-page] › tests/page/page-click.spec.ts:369:3 › should click the button with fixed position inside an iframe @webkit-ubuntu-22.04-node18
⚠️ [webkit-page] › tests/page/page-set-input-files.spec.ts:147:3 › should upload large file @webkit-ubuntu-22.04-node18
⚠️ [playwright-test] › tests/ui-mode-test-watch.spec.ts:145:5 › should watch all @windows-latest-node18-1

37516 passed, 649 skipped
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Merge workflow run.