MOCO case study: drop the join-the-discussion call from the maintainers' response (#143)

Co-authored-by: Claude Sonnet 5.5 <noreply@anthropic.com>

Author: Mazizova

content/blog/four-attempts-one-reset-master/index.md

@@ -162,6 +162,4 @@ Thank you again for spotlighting MOCO and creating space for this constructive c
 
 <p class="guest-comment-signature">— Sho Iizuka, Site Reliability Engineer, on behalf of the MOCO maintainers, Cybozu</p>
 
-<p class="guest-comment-cta">Have an idea for how MOCO could detect a brand-new instance without breaking idempotent auto-healing? The maintainers are open to suggestions: join the discussion in <a href="https://github.com/cybozu-go/moco-agent/issues/123">cybozu-go/moco-agent#123</a>.</p>
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