UsbDk: Drop uneeded members of redirector strategy
UsbDk: Drop uneeded members of redirector strategy

Signed-off-by: Pavel Gurvich <2375fa63e2908bb2df59f606483a3aa92321db7a@daynix.com>
Signed-off-by: Dmitry Fleytman <f50f56ffad4b379c2a89812e98b14900ef87e9ea@redhat.com>

SPICE/win32-usbdk,freedesktop-unofficial-mirror/spice__win32__usbdk,SPICE/win32-usbdk,freedesktop-unofficial-mirror/spice__win32__usbdk,daynix/UsbDk,freedesktop-unofficial-mirror/spice__win32__usbdk,daynix/UsbDk