[MTD] remove unused #include <version.h>

[Huang Weiyi]

The driver(s) below do not use LINUX_VERSION_CODE nor KERNEL_VERSION.
  drivers/mtd/nand/au1550nd.c

This patch removes the said #include <version.h>.

Signed-off-by: Huang Weiyi <weiyi.huang at gmail.com>

diff --git a/drivers/mtd/nand/au1550nd.c b/drivers/mtd/nand/au1550nd.c
index 761946e..92c334f 100644
--- a/drivers/mtd/nand/au1550nd.c
+++ b/drivers/mtd/nand/au1550nd.c
@@ -16,7 +16,6 @@
 #include <linux/mtd/mtd.h>
 #include <linux/mtd/nand.h>
 #include <linux/mtd/partitions.h>
-#include <linux/version.h>
 #include <asm/io.h>

 #include <asm/mach-au1x00/au1xxx.h>