Remove public preview indicator for windows-2025-vs2026 runner image (#61069)

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: lkfortuna <56982181+lkfortuna@users.noreply.github.com>

Author: Copilot

data/reusables/actions/supported-github-runners.md

@@ -36,7 +36,7 @@ For public repositories, jobs using the workflow labels shown in the table below
       <td>
         <code><a href="https://github.com/actions/runner-images/blob/main/images/windows/Windows2025-Readme.md">windows-latest</a></code>,
          <code><a href="https://github.com/actions/runner-images/blob/main/images/windows/Windows2025-Readme.md">windows-2025</a></code>,
-        <code><a href="https://github.com/actions/runner-images/blob/main/images/windows/Windows2025-VS2026-Readme.md">windows-2025-vs2026</a></code> ({% data variables.release-phases.public_preview %}),
+        <code><a href="https://github.com/actions/runner-images/blob/main/images/windows/Windows2025-VS2026-Readme.md">windows-2025-vs2026</a></code>,
         <code><a href="https://github.com/actions/runner-images/blob/main/images/windows/Windows2022-Readme.md">windows-2022</a></code>
       </td>
     </tr>