[MTD] Remove #ifndef __KERNEL__ hack in <mtd/mtd-abi.h>

Now that we have headers_install, we don't need this crap.

Signed-off-by: David Woodhouse <dwmw2@infradead.org>
diff --git a/include/mtd/Kbuild b/include/mtd/Kbuild
index e1da2a5..f2f210f 100644
--- a/include/mtd/Kbuild
+++ b/include/mtd/Kbuild
@@ -1,2 +1 @@
-unifdef-y := mtd-abi.h
-header-y := inftl-user.h jffs2-user.h mtd-user.h nftl-user.h
+header-y := inftl-user.h jffs2-user.h mtd-abi.h mtd-user.h nftl-user.h
diff --git a/include/mtd/mtd-abi.h b/include/mtd/mtd-abi.h
index b0a67b7..f913c30 100644
--- a/include/mtd/mtd-abi.h
+++ b/include/mtd/mtd-abi.h
@@ -7,12 +7,6 @@
 #ifndef __MTD_ABI_H__
 #define __MTD_ABI_H__
 
-#ifndef __KERNEL__ 
-/* Urgh. The whole point of splitting this out into
-   separate files was to avoid #ifdef __KERNEL__ */
-#define __user
-#endif
-
 struct erase_info_user {
 	uint32_t start;
 	uint32_t length;