addTypoScriptToTemplateRecord method was added to FunctionalTestCase.php
in Testing Framework.
So we can remove it from test cases.
Fix two other germlins also (unneeded comment and unused variable).

Resolves: #82401
Releases: master, 8.7, 7.6
Change-Id: I8144bae5a807d60123ef5228a44eba579a7705c7
Reviewed-on: https://review.typo3.org/54051


Tested-by: TYPO3com <no-reply@typo3.com>
Reviewed-by: Christian Kuhn <lolli@schwarzbu.ch>
Tested-by: Christian Kuhn <lolli@schwarzbu.ch>
Reviewed-by: Stefan Neufeind <typo3.neufeind@speedpartner.de>
Tested-by: Stefan Neufeind <typo3.neufeind@speedpartner.de>
Reviewed-by: Tymoteusz Motylewski <t.motylewski@gmail.com>
Tested-by: Tymoteusz Motylewski <t.motylewski@gmail.com>