[TASK] Extbase commands do not need to ensure admin role

The methods in Extbase's command controller to request
the admin role for $BE_USER are not needed anymore,
because CLI users are always admins nowadays.

The methods are therefore marked as deprecated.

Resolves: #79591
Releases: master
Change-Id: I79865af20a45d455a9417ceca42e4068cc15dc3f
Reviewed-on: https://review.typo3.org/51250


Reviewed-by: Mathias Brodala <mbrodala@pagemachine.de>
Tested-by: TYPO3com <no-reply@typo3.com>
Reviewed-by: Daniel Goerz <ervaude@gmail.com>
Tested-by: Daniel Goerz <ervaude@gmail.com>
Tested-by: Mathias Brodala <mbrodala@pagemachine.de>
Reviewed-by: Georg Ringer <georg.ringer@gmail.com>
Tested-by: Georg Ringer <georg.ringer@gmail.com>