Removed preview labels, and added reference to ubuntu-slim included s… (#58855)

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
Co-authored-by: mc <42146119+mchammer01@users.noreply.github.com>

data/reusables/actions/single-cpu-table-row.md

@@ -5,6 +5,6 @@
       <td>14 GB</td>
       <td> x64 </td>
       <td>
-        <code>ubuntu-slim</code> ({% data variables.release-phases.public_preview %})
+        <code>ubuntu-slim</code>
       </td>
     </tr>