staging: comedi: pcl818: remove unused "boards constants"

These defines are not used. Remove them to get rid of the
checkpatch.pl issue about avoiding CamelCase.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/comedi/drivers/pcl818.c

@@ -102,15 +102,6 @@
 #include "comedi_isadma.h"
 #include "comedi_8254.h"
 
-/* boards constants */
-
-#define boardPCL818L 0
-#define boardPCL818H 1
-#define boardPCL818HD 2
-#define boardPCL818HG 3
-#define boardPCL818 4
-#define boardPCL718 5
-
 /*
  * Register I/O map
  */