staging: rtl8723bs: remove unused pmlmepriv variable in rtw_dbg_port() in os_dep...

staging: rtl8723bs: remove unused pmlmepriv variable in rtw_dbg_port() in os_dep/ioctl_linux.c

remove unused variable. Fix W=1 compiler warning:

drivers/staging/rtl8723bs/os_dep/ioctl_linux.c:
In function ‘rtw_dbg_port’:
drivers/staging/rtl8723bs/os_dep/ioctl_linux.c:2444:20:
warning: unused variable ‘pmlmepriv’ [-Wunused-variable]
  struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);

Signed-off-by: Fabio Aiuto <fabioaiuto83@gmail.com>
Link: https://lore.kernel.org/r/e8a31937b0075162104347e1c8ecc5e6d079f6d2.1617962215.git.fabioaiuto83@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>