V4L/DVB (13582): DiB0700: remove USB IDs of PCTV 74e from the driver

The PCTV 74e is not a design based on the dib0700-USB-device
controller thus we should not have its USB IDs inside.

This reverts partly:
Add support for PCTV 74e (Pinnacle) + fix USB vendor IDs

Signed-off-by: Patrick Boettcher <pboettcher@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>