lantiq: remove obseleted folder. we use 3.1 now

SVN-Revision: 28728

target/linux/lantiq/patches-3.0/993-backport-3.1-fix-mtd.patch

@@ -1,13 +0,0 @@
-Index: linux-3.0.3/drivers/mtd/maps/lantiq-flash.c
-===================================================================
---- linux-3.0.3.orig/drivers/mtd/maps/lantiq-flash.c	2011-08-17 19:57:16.000000000 +0200
-+++ linux-3.0.3/drivers/mtd/maps/lantiq-flash.c	2011-09-29 20:45:14.785132132 +0200
-@@ -20,6 +20,8 @@
- #include <linux/platform_device.h>
- #include <linux/mtd/physmap.h>
- 
-+#include "../mtdcore.h"
-+
- #include <lantiq_soc.h>
- #include <lantiq_platform.h>
-