Remove unused use-statement #517

Job	Run time
PHP-Linter (8.5) / linter	10s
PHP-Linter (8.4) / linter	12s
Linter / yaml-linter	7s
Linter / json-linter	37s
PHP-Linter (8.3) / linter	10s
Linter / ecmascript-linter	21s
Linter / style-linter	0s
Unit tests, PHP ${{ matrix.php-versions }}, ${{ matrix.operating-system }}	-1s
Unit tests, PHP ${{ matrix.php-versions }}, ${{ matrix.operating-system }}	-1s
Quality control	-1s
Code coverage	-1s
Security checks	-1s
Cleanup artifacts	0s
	1m 32s

Provide feedback