staging: r8188eu: remove unnecessary memset in r8188eu

psetauthparm and precvpriv->pallocated_recv_buf are allocated by kzalloc().
It is unnecessary to call memset again.

Signed-off-by: Wan Jiabing <wanjiabing@vivo.com>
Link: https://lore.kernel.org/r/20220318092459.519225-1-wanjiabing@vivo.com


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