Back out "Improve e2e times by using deep links to open examples" (#51812)

Summary:
Pull Request resolved: https://github.com/facebook/react-native/pull/51812

Commit [8960d9ea2c](https://github.com/facebook/react-native/commit/8960d9ea2cea22451e8f7c9d6c22ed1ed6de131f) fully broke the iOS tests on RNTester in CI.

All 8 of them consistently fails 5 times out of 5 within the workflow and for each retry.

Reverting the change to get CI back to green

## Changelog:
[Internal] - Reverting [8960d9ea2c](https://github.com/facebook/react-native/commit/8960d9ea2cea22451e8f7c9d6c22ed1ed6de131f)

Reviewed By: cortinico

Differential Revision: D75960750

fbshipit-source-id: 63b4a4b4cd830ec48fa60ca6cfcb4dd12a97a331