Remove emsign (#437)

* Remove emSign CAs

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

* 2026.10.18

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

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Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>
2 files changed