FROMLIST: usb: xhci: Remove unused udev from xhci_log_ctx trace event

xhci_log_ctx event is not utilizing the extracted udev to
print out anything, hence removing it.

Fixes: 1d27fabe ("xhci: add xhci_address_ctx trace event")
Signed-off-by: Udipto Goswami <quic_ugoswami@quicinc.com>
Bug: 278637066
Bug: 283906700
Bug: 283913474
Link: https://lore.kernel.org/all/20230323131315.21764-1-quic_ugoswami@quicinc.com/


Change-Id: I359a050ff411ede5bc2c3ba1d1d68550773fa0a6
Signed-off-by: Udipto Goswami <quic_ugoswami@quicinc.com>
(cherry picked from commit d3e95905)