staging: comedi: adv_pci1724: remove PCI_VENDOR_ID_ADVANTECH define

This define is already in pci_ids.h. Remove the duplicate in this driver.

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>