staging: r8188eu: remove GET_CVID_ROM_VERSION

The macro GET_CVID_ROM_VERSION is not used. Remove it.

Signed-off-by: Michael Straube <straube.linux@gmail.com>
Link: https://lore.kernel.org/r/20211228101120.9120-3-straube.linux@gmail.com


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>