kernel: drop 110-fix_mtd_include.patch

Kernel builds just fine without this patch so we can just remove it.

Signed-off-by: Luka Perkov <luka@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@37805 3c298f89-4303-0410-b956-a3cf2f4a3e73