docs: remove Go Report Card badge from READMEs (#920)

Go Report Card has been unreliable/flaky, so drop it from all locale READMEs.

Co-authored-by: Claude Sonnet 5 <noreply@anthropic.com>

xiantang committed 2mo ago

95ad58dc295f3f451e17c416cb9bfc5aa973a065

Parent: d2472fc

Committed by GitHub <noreply@github.com> on 7/15/2026, 2:51:32 PM