This change cleans up org repo-creation authorization by making
owner-team membership sufficient regardless of `can_create_org_repo`,
and removes the now-obsolete doctor fix for owner teams.
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Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: wxiaoguang <2114189+wxiaoguang@users.noreply.github.com>