staging: rtl8192e: Remove ftrace-like logging in r8192E_phy.c

Remove "Unnecessary ftrace-like logging" as requested by checkpatch.
Reviewed-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Link: https://lore.kernel.org/r/7315b22f54d62c5b56e8b9284426eca4cb641f77.1663387785.git.philipp.g.hortmann@gmail.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>