[TASK] Remove leftover .htaccess files in Resources/Private folders

Leftover .htaccess files were savedly removed, as the root
.htaccess (for Apache webserver) / .web.config (for IIS webserver)
already takes care of access rules.

Resolves: #86463
Releases: master
Change-Id: I1186a5cdd068c2052d3d6ab2a4210d931d8684cd
Reviewed-on: https://review.typo3.org/58482
Tested-by: TYPO3com <no-reply@typo3.com>
Reviewed-by: Benni Mack <benni@typo3.org>
Reviewed-by: Jigal van Hemert <jigal.van.hemert@typo3.org>
Tested-by: Jigal van Hemert <jigal.van.hemert@typo3.org>
Reviewed-by: Wouter Wolters <typo3@wouterwolters.nl>
Reviewed-by: Christian Kuhn <lolli@schwarzbu.ch>
Tested-by: Christian Kuhn <lolli@schwarzbu.ch>

Author: josefglatz