[cleanup] cleanup AbstractRector from DONT_TRAVERSE_* enums as no longer supported, all rules work without it now #31650

Job	Run time
PHPStan	1m 24s
Help and Version	17s
Commented Code	19s
Compatible PHPStan versions	25s
Preload php-parser Order	24s
Run with Space in Directory	34s
Finalize classes	28s
Check before/after test fixture on no-changes	20s
Active Classes	33s
Check fixture classes are different to nodes	22s
PHP Linter	54s
Detect composer dependency issues	25s
Check no "*.php" files in rules Fixture directory	29s
Composer Validate	23s
	7m 17s

Provide feedback