scsi: advansys: docs: Eliminate duplicated word

Drop the doubled word "be".

Link: https://lore.kernel.org/r/20200707180414.10467-18-rdunlap@infradead.org
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: linux-doc@vger.kernel.org
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Hannes Reinecke <hare@suse.com>
Cc: linux-scsi@vger.kernel.org
Cc: "James E.J. Bottomley" <jejb@linux.ibm.com>
Cc: "Martin K. Petersen" <martin.petersen@oracle.com>
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

Documentation/scsi/advansys.rst

@@ -125,7 +125,7 @@ The following constants can be defined in the source file.
    c. klogd is started with the appropriate -c parameter
       (e.g. klogd -c 8)
 
-   This will cause printk() messages to be be displayed on the
+   This will cause printk() messages to be displayed on the
    current console. Refer to the klogd(8) and syslogd(8) man pages
    for details.