xfs: remove XFS_LI_RECOVERED

xfs: remove XFS_LI_RECOVERED

The ->iop_recover method of a log intent item removes the recovered
intent item from the AIL by logging an intent done item and committing
the transaction, so it's superfluous to have this flag check.  Nothing
else uses it, so get rid of the flag entirely.

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