xfs: trivial xfs_btree_del_cursor cleanups

The error argument to xfs_btree_del_cursor already understands the
"nonzero for error" semantics, so remove pointless error testing in the
callers and pass it directly.

Signed-off-by: Darrick J. Wong <[email protected]>
Reviewed-by: Brian Foster <[email protected]>
Reviewed-by: Carlos Maiolino <[email protected]>
Reviewed-by: Christoph Hellwig <[email protected]>
12 files changed