btrfs: remove duplicate inclusion of linux/types.h

In messages.h there's linux/types.h included more than once.

Reported-by: Abaci Robot <[email protected]>
Closes: https://bugzilla.openanolis.cn/show_bug.cgi?id=22939
Signed-off-by: Jiapeng Chong <[email protected]>
Reviewed-by: David Sterba <[email protected]>
Signed-off-by: David Sterba <[email protected]>

Author: Jiapeng Chong

fs/btrfs/messages.h

@@ -3,7 +3,6 @@
 #ifndef BTRFS_MESSAGES_H
 #define BTRFS_MESSAGES_H
 
-#include <linux/types.h>
 #include <linux/types.h>
 #include <linux/printk.h>
 #include <linux/bug.h>