Input: usbtouchscreen - remove custom USB_DEVICE_HID_CLASS macro

There already exists perfectly suitable USB_DEVICE_INTERFACE_CLASS
macro, use it.

Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://lore.kernel.org/r/20240712051851.3463657-2-dmitry.torokhov@gmail.com


Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>