ext4: remove the call to fiemap_check_flags in ext4_fiemap

iomap_fiemap already calls fiemap_check_flags first thing, so this
additional check is redundant.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Ritesh Harjani <riteshh@linux.ibm.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Link: https://lore.kernel.org/r/20200523073016.2944131-3-hch@lst.deSigned-off-by: Theodore Ts'o <tytso@mit.edu>

fs/ext4/extents.c

@@ -4896,9 +4896,6 @@ int ext4_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo,
 		fieinfo->fi_flags &= ~FIEMAP_FLAG_CACHE;
 	}
 
-	if (fiemap_check_flags(fieinfo, FIEMAP_FLAG_SYNC | FIEMAP_FLAG_XATTR))
-		return -EBADR;
-
 	/*
 	 * For bitmap files the maximum size limit could be smaller than
 	 * s_maxbytes, so check len here manually instead of just relying on the