[TASK] Drop PHPMD #2360

Job	Run time
Composer Validate (8.3)	7s
PHP Lint (7.3)	12s
PHP Lint (7.4)	12s
PHP Lint (8.0)	19s
PHP Lint (8.1)	9s
PHP Lint (8.2)	8s
PHP Lint (8.3)	9s
PHP Lint (8.4)	11s
Unit tests (7.3, lowest)	16s
Static Analysis (composer:normalize, 8.3)	19s
Unit tests (7.3, highest)	14s
Static Analysis (php:fixer, 8.3)	29s
Unit tests (7.4, lowest)	22s
Static Analysis (php:rector, 8.3)	20s
Unit tests (7.4, highest)	21s
Static Analysis (php:stan, 8.3)	30s
Unit tests (8.0, lowest)	15s
Unit tests (8.0, highest)	15s
Unit tests (8.1, lowest)	22s
Unit tests (8.1, highest)	21s
Unit tests (8.2, lowest)	17s
Unit tests (8.2, highest)	14s
Unit tests (8.3, lowest)	17s
Unit tests (8.3, highest)	18s
Unit tests (8.4, lowest)	17s
Unit tests (8.4, highest)	16s
	7m 10s

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