staging: r8188eu: core: remove null check before vfree

Remove NULL check. NULL check before freeing function is not needed.
Correct the indentation.
Reviewed-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Michael Straube <straube.linux@gmail.com>
Signed-off-by: Saurav Girepunje <saurav.girepunje@gmail.com>
Link: https://lore.kernel.org/r/YSu9GQa1A3s6FYQx@userSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/r8188eu/core/rtw_sta_mgt.c

@@ -155,9 +155,8 @@ u32	_rtw_free_sta_priv(struct	sta_priv *pstapriv)
 		spin_unlock_bh(&pstapriv->sta_hash_lock);
 		/*===============================*/
 
-		if (pstapriv->pallocated_stainfo_buf)
-			vfree(pstapriv->pallocated_stainfo_buf);
-		}
+		vfree(pstapriv->pallocated_stainfo_buf);
+	}
 
 	return _SUCCESS;
 }