Remove obsolete mutt options

src/freedombone-base-email

     echo '# set up the sidebar' >> /etc/Muttrc
     echo 'set sidebar_width=22' >> /etc/Muttrc
     echo 'set sidebar_visible=yes' >> /etc/Muttrc
-    echo "set sidebar_delim='|'" >> /etc/Muttrc
-    echo 'set sidebar_sort=yes' >> /etc/Muttrc
     echo '' >> /etc/Muttrc
     echo 'set rfc2047_parameters' >> /etc/Muttrc
     echo '' >> /etc/Muttrc