chore(triage): remove queue acknowledgement comment; defer user messaging to issue-comment workflow

.github/workflows/issue-triage.yml

@@ -542,20 +542,5 @@ jobs:
             await github.rest.repos.createDispatchEvent({ owner, repo, event_type: 'issue-code', client_payload: { issue_number, slug } });
             core.notice(`Queued issue-code for #${issue_number}`);
 
-      - name: Acknowledge queueing
-        if: steps.gate.outputs.allow_agent == 'true' && steps.gate.outputs.agent_mode == 'full'
-        uses: actions/github-script@v7
-        with:
-          github-token: ${{ secrets.CODE_GH_PAT }}
-          script: |
-            const owner = context.repo.owner; const repo = context.repo.repo; const issue_number = Number(process.env.ISSUE_NUMBER);
-            const slug = `${{ steps.slug.outputs.slug }}`;
-            const body = [
-              `Thanks @${context.actor}! I queued an implementation run.`,
-              '',
-              'I will open a PR shortly; once the preview build finishes, you can try it with:',
-              '```bash',
-              `code preview ${slug}`,
-              '```'
-            ].join('\n');
-            await github.rest.issues.createComment({ owner, repo, issue_number, body });
+      # Removed the explicit triage acknowledgement comment to centralize
+      # all user-facing updates under the Issue Comment workflow.