staging: r8188eu: remove unused members of ht_priv structure

tx_amsdu_enable and tx_amdsu_maxlen are not used in driver code.
Signed-off-by: Ivan Safonov <insafonov@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8188eu/include/rtw_ht.h

@@ -21,8 +21,6 @@
 struct ht_priv {
 	u32	ht_option;
 	u32	ampdu_enable;/* for enable Tx A-MPDU */
-	u32	tx_amsdu_enable;/* for enable Tx A-MSDU */
-	u32	tx_amdsu_maxlen; /*  1: 8k, 0:4k ; default:8k, for tx */
 	u32	rx_ampdu_maxlen; /* for rx reordering ctrl win_sz,
 				  * updated when join_callback. */
 	u8	bwmode;/*  */