[experiment] skip beforeTraverse() and afterTraverse() as never used #33051

Job	Run time
End to end test - e2e/different-path-over-skip-config	20s
End to end test - e2e/only-option-quote-single-equalnone	19s
End to end test - e2e/invalid-paths	15s
End to end test - e2e/no-parallel-reflection-resolver	22s
End to end test - e2e/only-option-quote-double-equalnone	17s
End to end test - e2e/parallel-custom-config	23s
End to end test - e2e/applied-rule-change-docblock	33s
End to end test - e2e/applied-rule-return-array-nodes	17s
End to end test - e2e/only-option-quote-single-bsdouble	18s
End to end test - e2e/applied-polyfill-php80	20s
End to end test - e2e/only-option-quote-single	18s
End to end test - e2e/applied-auto-import	21s
End to end test - e2e/parallel with space	18s
End to end test - e2e/applied-rule-removed-node	23s
End to end test - e2e/print-new-node	20s
End to end test - e2e/parallel-reflection-resolver	16s
End to end test - e2e/only-option	17s
	5m 37s

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