Clean up wifi before fall through to AP mode #3

Job	Run time
tests (ubuntu-latest, tests)	25s
build (ubuntu-latest, noradio)	2m 1s
tests (macos-latest, tests)	44s
build (ubuntu-latest, wifi)	2m 20s
tests (windows-latest, tests_nosan)	1m 9s
build (ubuntu-latest, bt)	2m 10s
build (macos-latest, noradio)	4m 44s
build (macos-latest, wifi)	2m 42s
build (macos-latest, bt)	3m 29s
build (windows-latest, noradio)	4m 37s
build (windows-latest, wifi)	5m 42s
build (windows-latest, bt)	5m 53s
	35m 56s

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