[internal] Remove duplicated enterNode() type check already handled in node traverser #31797

Job	Run time
Check fixture classes are different to nodes	17s
PHPStan	1m 25s
Commented Code	16s
Finalize classes	25s
Composer Validate	19s
Detect composer dependency issues	21s
Run with Space in Directory	19s
Compatible PHPStan versions	16s
Help and Version	18s
Preload php-parser Order	22s
PHP Linter	26s
Active Classes	24s
Check before/after test fixture on no-changes	16s
Check no "*.php" files in rules Fixture directory	20s
	5m 44s

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