ext2: remove duplicate include

Remove linux/fiemap.h which is included more than once

Link: https://lore.kernel.org/r/20200819025434.65763-1-wanghai38@huawei.comReported-by: Hulk Robot <hulkci@huawei.com>
Reviewed-by: Ritesh Harjani <riteshh@linux.ibm.com>
Signed-off-by: Wang Hai <wanghai38@huawei.com>
Signed-off-by: Jan Kara <jack@suse.cz>

fs/ext2/inode.c

@@ -36,7 +36,6 @@
 #include <linux/iomap.h>
 #include <linux/namei.h>
 #include <linux/uio.h>
-#include <linux/fiemap.h>
 #include "ext2.h"
 #include "acl.h"
 #include "xattr.h"