[PHP-WEBMASTER] [web-php] PR #577: Fix: Remove unused parameters

[localheinz]

Pull Request: https://github.com/php/web-php/pull/577
Author: localheinz

This pull request

- [x] removes more unused parameters

💁‍♂️ Affected pages include

### Search

See http://localhost:8080/search.php?q=foo&l=de

<img width="1822" alt="CleanShot 2022-06-28 at 15 05 51@2x" 
src="https://user-images.githubusercontent.com/605483/176185853-168263fb-ef09-40af-8dad-282fe19ef645.png";>

### Results

See http://localhost:8080/results.php?q=foo&l=de:

<img width="1822" alt="CleanShot 2022-06-28 at 15 05 06@2x" 
src="https://user-images.githubusercontent.com/605483/176185764-42253f07-45fa-4dfd-84be-e021cbe854ce.png";>

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