Remove a couple of @since tags which are unneeded in this scope.
Remove a couple of @since tags which are unneeded in this scope.

* subversion/svn/tree-conflicts.h
  (svn_cl__get_human_readable_tree_conflict_description,
   svn_cl__append_tree_conflict_info_xml): Remove since tags.


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@1097188 13f79535-47bb-0310-9956-ffa450edef68

wbond/subversion,wbond/subversion,YueLinHo/Subversion,wbond/subversion,YueLinHo/Subversion,wbond/subversion,YueLinHo/Subversion,YueLinHo/Subversion,wbond/subversion,YueLinHo/Subversion,YueLinHo/Subversion,wbond/subversion,YueLinHo/Subversion,YueLinHo/Subversion,wbond/subversion