When overriding labels via TypoScript, e.g.
plugin.tx_felogin_pi1._LOCAL_LANG.de.username = Yeah Ümlauts
then the abstract plugin does a conversion of the string
from UTF-8 to renderCharset. However, as all values from
TypoScript are considered UTF-8 anyway, the checks
can be removed.

Resolves: #73793
Releases: master
Change-Id: Iba5366293c771721e5fba87869f4268da8bf738a
Reviewed-on: https://review.typo3.org/46978


Reviewed-by: Oliver Klee <typo3-coding@oliverklee.de>
Reviewed-by: Michiel Roos <michiel@maxserv.com>
Tested-by: Michiel Roos <michiel@maxserv.com>
Reviewed-by: Georg Ringer <georg.ringer@gmail.com>
Tested-by: Georg Ringer <georg.ringer@gmail.com>
Reviewed-by: Benni Mack <benni@typo3.org>
Tested-by: Benni Mack <benni@typo3.org>