staging: r8188eu: legacy_dz is initialised but never used

legacy_dz in struct sta_xmit_priv is initialised but not used. It can be
removed.
Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Link: https://lore.kernel.org/r/20230130195303.138941-7-martin@kaiser.cxSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/r8188eu/core/rtw_xmit.c

@@ -29,7 +29,6 @@ void	_rtw_init_sta_xmit_priv(struct sta_xmit_priv *psta_xmitpriv)
 	_init_txservq(&psta_xmitpriv->bk_q);
 	_init_txservq(&psta_xmitpriv->vi_q);
 	_init_txservq(&psta_xmitpriv->vo_q);
-	INIT_LIST_HEAD(&psta_xmitpriv->legacy_dz);
 	INIT_LIST_HEAD(&psta_xmitpriv->apsd);
 }
 

drivers/staging/r8188eu/include/rtw_xmit.h

@@ -232,7 +232,6 @@ struct sta_xmit_priv {
 	struct tx_servq	bk_q;			/* priority == 1,2 */
 	struct tx_servq	vi_q;			/* priority == 4,5 */
 	struct tx_servq	vo_q;			/* priority == 6,7 */
-	struct list_head legacy_dz;
 	struct list_head apsd;
 	u16 txseq_tid[16];
 };