[SCSI] scsi: remove hosts.h

Remove the obsolete hosts.h file under drivers/scsi.

Signed-off-by: Henrik Kretzschmar <henne@nachtwindheim.de>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
diff --git a/drivers/scsi/dpt_i2o.c b/drivers/scsi/dpt_i2o.c
index 7b3bd34..b20b376 100644
--- a/drivers/scsi/dpt_i2o.c
+++ b/drivers/scsi/dpt_i2o.c
@@ -2212,7 +2212,7 @@
 	 */
 	host->io_port = 0;
 	host->n_io_port = 0;
-				/* see comments in hosts.h */
+				/* see comments in scsi_host.h */
 	host->max_id = 16;
 	host->max_lun = 256;
 	host->max_channel = pHba->top_scsi_channel + 1;