Remove support for old android "logcat" API

Nick Mathewsonrequested to merge
nickm/tor:32181_bye_android_log into master

This is apparently obsolete; syslog is modern instead. If users have an android log configured, given them a syslog if we can.

Closes #32181 (closed).

Github CI at https://github.com/torproject/tor/pull/2084

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