Remove unnecessary stubs #377

Job	Run time
Security checks	21s
Quality control	34s
PHP-Linter (8.2) / linter	14s
PHP-Linter (8.3) / linter	18s
PHP-Linter (8.1) / linter	14s
Linter / yaml-linter	7s
Linter / json-linter	23s
PHP-Linter (8.4) / linter	9s
Linter / ecmascript-linter	0s
Linter / style-linter	0s
Unit tests, PHP 8.1, windows-latest	53s
Unit tests, PHP 8.4, windows-latest	50s
Unit tests, PHP 8.2, windows-latest	51s
Unit tests, PHP 8.3, windows-latest	49s
Unit tests, PHP 8.1, ubuntu-latest	26s
Unit tests, PHP 8.3, ubuntu-latest	26s
Unit tests, PHP 8.2, ubuntu-latest	50s
Unit tests, PHP 8.4, ubuntu-latest	30s
Code coverage	6s
Cleanup artifacts	3s
	8m 4s

Provide feedback