Also drops the stray empty AutoFillExtension/ directory left over from
an earlier abandoned attempt at creating this target, and cleans up
duplicate/stale scheme entries in xcschememanagement.plist.
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01WYqycDFsynHH9VnnK7LNSf
