[experiment] skip beforeTraverse() and afterTraverse() as never used #33052

Job	Run time
End to end test - e2e/applied-rule-removed-node	17s
End to end test - e2e/applied-polyfill-php80	28s
End to end test - e2e/parallel-reflection-resolver	16s
End to end test - e2e/invalid-paths	18s
End to end test - e2e/only-option-quote-single-bsdouble	18s
End to end test - e2e/applied-rule-change-docblock	21s
End to end test - e2e/only-option-quote-single-equalnone	15s
End to end test - e2e/applied-auto-import	20s
End to end test - e2e/no-parallel-reflection-resolver	21s
End to end test - e2e/parallel with space	17s
End to end test - e2e/only-option-quote-double-equalnone	20s
End to end test - e2e/only-option	22s
End to end test - e2e/only-option-quote-single	18s
End to end test - e2e/different-path-over-skip-config	23s
End to end test - e2e/parallel-custom-config	18s
End to end test - e2e/applied-rule-return-array-nodes	23s
End to end test - e2e/print-new-node	19s
	5m 34s

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