Remove unnecessary arguments from isTetheringFeatureEnabled

This CL also updates not to use isTetheringFeatureEnabled for
TETHER_FORCE_UPSTREAM_AUTOMATIC_VERSION which is wrongly configured in
Connectivity namespace.

Test: m
Bug: 279108992
Change-Id: If4f3a57c749bbaeb85454c31248c5bc5feaab936
5 files changed