[TASK] Remove deprecated functions from TypoScriptFrontendController

fe_tce
isEXTincScript
getLogIPAddress
getLogHostName
getLogUserName

Resolves: #56849
Releases: 6.2
Change-Id: Ib740ebfbb29734f41e4024746132dd306f4fdd2c
Reviewed-on: https://review.typo3.org/28327
Reviewed-by: Christian Kuhn
Tested-by: Christian Kuhn
Reviewed-by: Georg Ringer
Tested-by: Georg Ringer