staging: rtl8723bs: Remove debugging information exposed via procfs

The procfs provides many useful information for debugging, but it may be
too much for normal usage, routines like proc_get_sec_info() reports
various security related information.

So let's remove it.

Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Link: https://lore.kernel.org/r/20190813042426.13733-1-kai.heng.feng@canonical.com


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