docs(adr-027): supersede stale "LoggingLevel is intentionally NOT dep… #13

Job	Run time
Default lane (2026-07-28)	3m 21s
Opt-in lane (2025-11-25)	4m 58s
Spec mutex (both features must not compile)	22s
Rustdoc (deny warnings)	1m 3s
Default lane (2026-07-28)	4m 20s
Rustdoc (deny warnings)	1m 3s
Spec mutex (both features must not compile)	22s
Opt-in lane (2025-11-25)	4m 58s
	20m 27s

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