staging: comedi: remove unused CONFIG_COMEDI_PCMCIA define

CONFIG_COMEDI_PCMCIA is not actually a Kconfig option. It is
defined in the comedidev.h header based on another Kconfig
option being enbled.

Just remove it since the define is not used by any of the comedi
drivers.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Cc: Frank Mori Hess <fmhess@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/comedi/comedidev.h

@@ -513,11 +513,5 @@ void comedi_usb_auto_unconfig(struct usb_interface *intf);
 #ifdef CONFIG_COMEDI_PCI_DRIVERS_MODULE
 #define CONFIG_COMEDI_PCI
 #endif
-#ifdef CONFIG_COMEDI_PCMCIA_DRIVERS
-#define CONFIG_COMEDI_PCMCIA
-#endif
-#ifdef CONFIG_COMEDI_PCMCIA_DRIVERS_MODULE
-#define CONFIG_COMEDI_PCMCIA
-#endif
 
 #endif /* _COMEDIDEV_H */