[!!!][TASK] Remove deprecated class aliases

The following class aliases are removed:

* `TYPO3\CMS\Frontend\Page\PageRepository`
* `TYPO3\CMS\Frontend\Page\PageRepositoryGetPageHookInterface`
* `TYPO3\CMS\Frontend\Page\PageRepositoryGetPageOverlayHookInterface`
* `TYPO3\CMS\Frontend\Page\PageRepositoryInitHookInterface`
* `TYPO3\CMS\Frontend\Page\PageRepositoryGetRecordOverlayHookInterface`
* `TYPO3\CMS\Lowlevel\Utility\ArrayBrowser`

Resolves: #91539
Releases: master
Change-Id: Ie11c410576eb0713746fd9261691c5bec72a34d5
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/64610


Tested-by: Andreas Fernandez <a.fernandez@scripting-base.de>
Tested-by: TYPO3com <noreply@typo3.com>
Tested-by: Daniel Goerz <daniel.goerz@posteo.de>
Reviewed-by: Andreas Fernandez <a.fernandez@scripting-base.de>
Reviewed-by: Daniel Goerz <daniel.goerz@posteo.de>