staging: rtl8192e: remove unnecesasry f-trace like logging

Fixed Check: Remove unnecessary f-trace like logging by simply deleting
that statement as we have other modes of logging like ftrace.
Reported by checkpatch.

Signed-off-by: Mitali Borkar <mitaliborkar810@gmail.com>
Link: https://lore.kernel.org/r/YHDtWizzh5EVLL4/@kali


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