chore: remove dead code

[Skn0tt]

Going by the code, there's no way that revision.timestamp is ever a Date. Let's remove the branch.

[Copilot]

Copilot reviewed 1 out of 1 changed files in this pull request and generated no comments.

[github-actions]

Test results for "tests 1"

10 flaky

⚠️ [firefox-page] › tests/page/page-evaluate.spec.ts:403:3 › should throw for too deep reference chain @firefox-ubuntu-22.04-node18
⚠️ [installation tests] › tests/playwright-electron-should-work.spec.ts:44:5 › should work when wrapped inside @playwright/test and trace is enabled @package-installations-macos-latest
⚠️ [chromium-library] › tests/library/popup.spec.ts:264:3 › should not throw when click closes popup @ubuntu-20.04-chromium-tip-of-tree
⚠️ [webkit-library] › tests/library/browsercontext-reuse.spec.ts:86:1 › should reset serviceworker that hangs in importScripts @webkit-ubuntu-22.04-node18
⚠️ [webkit-library] › tests/library/selector-generator.spec.ts:106:5 › selector generator › should not escape text with >> @webkit-ubuntu-22.04-node18
⚠️ [webkit-library] › tests/library/trace-viewer.spec.ts:1551:1 › should not leak recorders @webkit-ubuntu-22.04-node18
⚠️ [webkit-page] › tests/page/page-leaks.spec.ts:82:5 › click should not leak @webkit-ubuntu-22.04-node18
⚠️ [webkit-page] › tests/page/page-leaks.spec.ts:107:5 › fill should not leak @webkit-ubuntu-22.04-node18
⚠️ [webkit-page] › tests/page/page-leaks.spec.ts:161:5 › waitFor should not leak @webkit-ubuntu-22.04-node18
⚠️ [webkit-page] › tests/page/page-screenshot.spec.ts:364:5 › page screenshot › path option should work @webkit-ubuntu-22.04-node18

37801 passed, 655 skipped
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Merge workflow run.