remove set but 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:2443:19:
warning: variable ‘psta’ set but not used [-Wunused-but-set-variable]
  struct sta_info *psta;
                   ^~~~
Remove also the function call that sets this variable.
Signed-off-by: Fabio Aiuto <fabioaiuto83@gmail.com>
Link: https://lore.kernel.org/r/62b6c48b887decdde4b5343472089665518d205b.1617962215.git.fabioaiuto83@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
        u8 major_cmd, minor_cmd;
        u16 arg;
        u32 extra_arg, *pdata, val32;
-       struct sta_info *psta;
        struct adapter *padapter = rtw_netdev_priv(dev);
        struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
        struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
 
                                        break;
                                case 0x05:
-                                       psta = rtw_get_stainfo(pstapriv, cur_network->network.MacAddress);
                                        break;
                                case 0x06:
                                        {