staging: comedi: addi_apci_2032: absorb apci2032_int_start()

This function always returns 'false' so the caller never does the comedi_event().

Absorb the function into the caller and remove the 'do_event' dead code.

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>