[removal] Remove --kaizen option, as it might jump right to risky rules, use levels instead #31817

Job	Run time
End to end test - e2e/applied-auto-import	22s
End to end test - e2e/applied-rule-change-docblock	20s
End to end test - e2e/applied-polyfill-php80	27s
End to end test - e2e/invalid-paths	15s
End to end test - e2e/only-option-quote-double-equalnone	21s
End to end test - e2e/only-option	26s
End to end test - e2e/no-parallel-reflection-resolver	18s
End to end test - e2e/applied-rule-return-array-nodes	18s
End to end test - e2e/different-path-over-skip-config	15s
End to end test - e2e/only-option-quote-single	20s
End to end test - e2e/applied-rule-removed-node	18s
End to end test - e2e/only-option-quote-single-bsdouble	20s
End to end test - e2e/only-option-quote-single-equalnone	25s
End to end test - e2e/parallel-custom-config	23s
End to end test - e2e/print-new-node	18s
End to end test - e2e/parallel with space	15s
End to end test - e2e/parallel-reflection-resolver	21s
	5m 42s

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