[libata] Don't use old-EH ->eng_timeout() hook when not needed

The PATA driver set got converted to the new error handling setup, but
the old hooks were accidentally left in place.  Now, removed.

Signed-off-by: Jeff Garzik <jeff@garzik.org>
diff --git a/drivers/ata/pata_ali.c b/drivers/ata/pata_ali.c
index 8448ee6..87af3b5 100644
--- a/drivers/ata/pata_ali.c
+++ b/drivers/ata/pata_ali.c
@@ -369,7 +369,7 @@
 
 	.qc_prep 	= ata_qc_prep,
 	.qc_issue	= ata_qc_issue_prot,
-	.eng_timeout	= ata_eng_timeout,
+
 	.data_xfer	= ata_pio_data_xfer,
 
 	.irq_handler	= ata_interrupt,
@@ -410,7 +410,7 @@
 
 	.qc_prep 	= ata_qc_prep,
 	.qc_issue	= ata_qc_issue_prot,
-	.eng_timeout	= ata_eng_timeout,
+
 	.data_xfer	= ata_pio_data_xfer,
 
 	.irq_handler	= ata_interrupt,
@@ -448,7 +448,7 @@
 
 	.qc_prep 	= ata_qc_prep,
 	.qc_issue	= ata_qc_issue_prot,
-	.eng_timeout	= ata_eng_timeout,
+
 	.data_xfer	= ata_pio_data_xfer,
 
 	.irq_handler	= ata_interrupt,
@@ -485,7 +485,7 @@
 
 	.qc_prep 	= ata_qc_prep,
 	.qc_issue	= ata_qc_issue_prot,
-	.eng_timeout	= ata_eng_timeout,
+
 	.data_xfer	= ata_pio_data_xfer,
 
 	.irq_handler	= ata_interrupt,