make-casper: disabled ureadahead, removed /cow hack

helpers/make-casper

 #!/bin/sh
 #
-#    Copyright (C) 2012-2017  Ruben Rodriguuez <ruben@trisquel.info>
+#    Copyright (C) 2012-2018  Ruben Rodriguuez <ruben@trisquel.info>
 #
 #    This program is free software; you can redistribute it and/or modify
 #    it under the terms of the GNU General Public License as published by
@@ -17,16 +17,16 @@
 #    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
 #
 
-VERSION=5
+VERSION=6
 
 . ./config
 
-# Get rid of /cow showing in the desktop
-sed '/tmpfs/ s:$:\n/dev/loop1 /cow ext3 noauto 0 0:' scripts/casper-bottom/12fstab -i
-
 # Only generate the locale selected at boot
 sed 's/keep-existing/keep-existing $LANG/' -i scripts/casper-bottom/14locales
 
+# Make sure we disable ureadahead
+sed 's/readahead-list/ureadahead/' -i scripts/casper-bottom/25configure_init
+
 # Adapt 30accessibility to mate desktop
 for profile in blindness braille high-contrast onscreen-keyboard; do
   sed "s/setup_profile $profile/setup_profile mate-$profile/" -i scripts/casper-bottom/30accessibility