logd: don't require chatty to pass CTS

Remove a few tests that require logd to implement chatty to not
require chatty to pass CTS.  Note that these tests are already removed
in AOSP and won't be required in S.

Bug: 168100439
Test: these tests don't run
Merged-In: Ie12898617429a75b6caff92725aa7145650f8fc6
Change-Id: Ia81042a48e9675f2ad3ad75a10ec4d60c96ff712