mm: remove duplicated include in vma_internal.h

The header files linux/bug.h is included twice in vma_internal.h, so one
inclusion of each can be removed.

Link: https://lkml.kernel.org/r/20240802060216.24591-1-yang.lee@linux.alibaba.comSigned-off-by: Yang Li <yang.lee@linux.alibaba.com>
Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Closes: https://bugzilla.openanolis.cn/show_bug.cgi?id=9636Reviewed-by: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

mm/vma_internal.h

@@ -12,7 +12,6 @@
 #include <linux/backing-dev.h>
 #include <linux/bitops.h>
 #include <linux/bug.h>
-#include <linux/bug.h>
 #include <linux/cacheflush.h>
 #include <linux/err.h>
 #include <linux/file.h>