Simplify language and footer meta menu: Use list-inline instead of custom styles

[SventB]

Pull Request

Prerequisites

• [ ] Changes have been tested on TYPO3 v11.5 LTS
• [x] Changes have been tested on TYPO3 v12.4 LTS
• [ ] Changes have been tested on PHP 7.4
• [ ] Changes have been tested on PHP 8.0
• [ ] Changes have been tested on PHP 8.1
• [x] Changes have been tested on PHP 8.2
• [ ] Changes have been checked for CGL compliance php-cs-fixer fix
• [ ] CSS has been rebuilt (only if there are SCSS changes cd Build; npm ci; npm run build)

Description

Simplifies language and footer meta menu by using Bootstrap class "list-inline" (nothing else is the language and footer meta menu right now) instead of custom styles.

Steps to Validate

Check language and footer meta menu.

[benjaminkott]

@SventB i understand where this demand is comming from. anyways i would like to keep certain elements to not use bootstrap at all to keep compat moving forward to avoid breaking on bootstrap updates. I still think this makes customizing more easy of we keep the styling seperate.