Update xemacs-packages to version 20130822 / rev 44 via SR 998071
    
    https://build.opensuse.org/request/show/998071
    by user WernerFink + dimstar_suse
    - tramp.texi: Try to avoid old macros nor know by modern texinfo
    
    - Drop canna support: canna has not been maintained for a long time
      and sec issues are not being addressed (bsc#1199280).