FROMGIT: 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
(cherry picked from commit acd4b4af99d70451293a8d43585619337b4ac70d https://git.kernel.org/pub/scm/linux/kernel/git/mnyman/xhci.git

 for-usb-next)
Change-Id: I359a050ff411ede5bc2c3ba1d1d68550773fa0a6
Signed-off-by: Udipto Goswami <quic_ugoswami@quicinc.com>
Signed-off-by: Wesley Cheng <quic_wcheng@quicinc.com>