[TASK] Remove leftover language labels

The browser notification API has been introduced
in #90666. Due to various reason it had been
removed again in #92988.

This patch removes some leftover language labels.

Resolves: #95991
Related: #92988
Releases: master
Change-Id: Ib25b42c1734f5c6b19c9575e3dfe6797b6e085a2
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/72189


Tested-by: core-ci <typo3@b13.com>
Tested-by: Nikita Hovratov <nikita.h@live.de>
Tested-by: Benni Mack <benni@typo3.org>
Reviewed-by: Nikita Hovratov <nikita.h@live.de>
Reviewed-by: Benni Mack <benni@typo3.org>