alim15x3: trivial cleanup for ali_set_pio_mode()

Remove commented out code and stale comment.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>

drivers/ide/pci/alim15x3.c

@@ -76,11 +76,6 @@ static void ali_set_pio_mode(ide_drive_t *drive, const u8 pio)
 		a_clc = 0;
 	c_time = ide_pio_timings[pio].cycle_time;
 
-#if 0
-	if ((r_clc = ((c_time - s_time - a_time) * bus_speed + 999) / 1000) >= 16)
-		r_clc = 0;
-#endif
-
 	if (!(r_clc = (c_time * bus_speed + 999) / 1000 - a_clc - s_clc)) {
 		r_clc = 1;
 	} else {
@@ -110,16 +105,6 @@ static void ali_set_pio_mode(ide_drive_t *drive, const u8 pio)
 	pci_write_config_byte(dev, port, s_clc);
 	pci_write_config_byte(dev, port+drive->select.b.unit+2, (a_clc << 4) | r_clc);
 	local_irq_restore(flags);
-
-	/*
-	 * setup   active  rec
-	 * { 70,   165,    365 },   PIO Mode 0
-	 * { 50,   125,    208 },   PIO Mode 1
-	 * { 30,   100,    110 },   PIO Mode 2
-	 * { 30,   80,     70  },   PIO Mode 3 with IORDY
-	 * { 25,   70,     25  },   PIO Mode 4 with IORDY  ns
-	 * { 20,   50,     30  }    PIO Mode 5 with IORDY (nonstandard)
-	 */
 }
 
 /**