alpha: Fix duplicate <asm/thread_info.h> include

.. duplicated by merging the same fix twice, for details see commit
0d9df2515dbceb67d343c0f10fd3ff218380d524 ("Merge
git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild-fixes")

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/arch/alpha/kernel/vmlinux.lds.S b/arch/alpha/kernel/vmlinux.lds.S
index ecf4d48..003ef4c 100644
--- a/arch/alpha/kernel/vmlinux.lds.S
+++ b/arch/alpha/kernel/vmlinux.lds.S
@@ -1,7 +1,6 @@
 #include <asm-generic/vmlinux.lds.h>
 #include <asm/thread_info.h>
 #include <asm/page.h>
-#include <asm/thread_info.h>
 
 OUTPUT_FORMAT("elf64-alpha")
 OUTPUT_ARCH(alpha)