staging: comedi: comedi_bond: remove the STR macro

This macro is not used in the file. Remove it.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/comedi/drivers/comedi_bond.c

@@ -60,10 +60,6 @@ Configuration Options:
 #define MAX_CHANS 256
 
 #define MODULE_NAME "comedi_bond"
-#ifndef STR
-#  define STR1(x) #x
-#  define STR(x) STR1(x)
-#endif
 
 struct BondedDevice {
 	struct comedi_device *dev;