sshrepo: don't try to validate when creating the repo - This removes the "repo not found" error when cloning or init-ing a remote repo. - Since the remote hg will abort if the repo already exists we don't need to validate it.

#header#
    <title>#repo|escape# Changelog</title>
    <description>#repo|escape# Changelog</description>
    #entries%changelogentry#
  </channel>
</rss>