staging: r8188eu: xmit_priv's vcs_type is not used

The vcs_type component of struct xmit_priv is not used. Remove it.
Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Acked-by: Pavel Skripkin <paskripkin@gmail.com>
Tested-by: Philipp Hortmann <philipp.g.hortmann@gmail.com> # Edimax N150
Link: https://lore.kernel.org/r/20230109212852.75612-11-martin@kaiser.cxSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/r8188eu/include/rtw_xmit.h

@@ -269,7 +269,6 @@ struct	xmit_priv {
 	struct adapter	*adapter;
 	u8   vcs_setting;
 	u8	vcs;
-	u8	vcs_type;
 	u64	tx_bytes;
 	u64	tx_pkts;
 	u64	tx_drop;

drivers/staging/r8188eu/os_dep/os_intfs.c

@@ -394,7 +394,6 @@ static void rtw_init_default_value(struct adapter *padapter)
 	/* xmit_priv */
 	pxmitpriv->vcs_setting = pregistrypriv->vrtl_carrier_sense;
 	pxmitpriv->vcs = pregistrypriv->vcs_type;
-	pxmitpriv->vcs_type = pregistrypriv->vcs_type;
 	pxmitpriv->frag_len = pregistrypriv->frag_thresh;
 
 	/* mlme_priv */