remove outdated patches, fixed by avm (refs r9569)

{{{
if cat /proc/filesystems | grep -q 'jffs2' || grep -q "jffs2" /proc/filesystems || modprobe jffs2; then
}}}

git-svn-id: file:///var/svn/freetz/trunk@10006 149334a1-2f27-0410-a3b9-fc62619ac1e6