kvm tools: remove duplicated include from builtin-setup.c

Remove duplicated include.

dpatch engine is used to auto generate this patch.
(https://github.com/weiyj/dpatch)

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Pekka Enberg <penberg@kernel.org>

builtin-setup.c

@@ -13,11 +13,7 @@
 #include <string.h>
 #include <unistd.h>
 #include <stdio.h>
-#include <sys/types.h>
 #include <sys/mman.h>
-#include <sys/stat.h>
-#include <string.h>
-#include <unistd.h>
 #include <fcntl.h>
 
 extern char _binary_guest_init_start;