Fix message when disablement is in the past. #29465

# to view logs

Job	Run time
syntax	37s
tap syntax	6m 39s
cask audit	3m 24s
formula audit	7m 30s
docker	4m 32s
test default formula (Ubuntu 22.04)	4m 34s
tests (online)	10m 28s
test default formula (Ubuntu 20.04)	6m 49s
tests (generic OS)	6m 5s
test default formula (macOS 13 x86_64)	2m 25s
update-test (Ubuntu 22.04)	25s
tests (Ubuntu 22.04)	6m 22s
vendored gems	39s
test default formula (macOS 14 arm64)	1m 33s
update-test (macOS 13)	33s
tests (Ubuntu 20.04)	7m 59s
tests (macOS 13 x86_64)	7m 50s
tests (macOS 14 arm64)	5m 27s
	1h 23m 51s

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