mod_voipms: Fix bug from not returning in message/bare hook Since SMS/MMS are sent/received on JIDs that are not real accounts, we need to `return true` from the 'message/bare' hook, otherwise routing will occur and result in failed account lookups.

<tr>
  <th>What is {x} {op} {y}?</th><td>
    <input name="captcha_challenge" type="hidden" value="{challenge}">
    <input name="captcha_reply" pattern="[0-9]+" required type="number">
  </td></tr>