staging: r8188eu: remove rtw_set_ie_mesh_ch_switch_parm()

Function rtw_set_ie_mesh_ch_switch_parm() is not used, remove it.
Signed-off-by: Michael Straube <straube.linux@gmail.com>
Link: https://lore.kernel.org/r/20210922200420.9693-40-straube.linux@gmail.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/r8188eu/core/rtw_ieee80211.c

@@ -145,19 +145,6 @@ inline u8 *rtw_set_ie_secondary_ch_offset(u8 *buf, u32 *buf_len, u8 secondary_ch
 	return rtw_set_ie(buf, WLAN_EID_SECONDARY_CHANNEL_OFFSET,  1, &secondary_ch_offset, buf_len);
 }
 
-inline u8 *rtw_set_ie_mesh_ch_switch_parm(u8 *buf, u32 *buf_len, u8 ttl,
-	u8 flags, u16 reason, u16 precedence)
-{
-	u8 ie_data[6];
-
-	ie_data[0] = ttl;
-	ie_data[1] = flags;
-	*(u16 *)(ie_data + 2) = cpu_to_le16(reason);
-	*(u16 *)(ie_data + 4) = cpu_to_le16(precedence);
-
-	return rtw_set_ie(buf, 0x118,  6, ie_data, buf_len);
-}
-
 /*----------------------------------------------------------------------------
 index: the information element id index, limit is the limit for search
 -----------------------------------------------------------------------------*/

drivers/staging/r8188eu/include/ieee80211.h

@@ -1097,8 +1097,6 @@ enum secondary_ch_offset {
 };
 u8 *rtw_set_ie_secondary_ch_offset(u8 *buf, u32 *buf_len,
 				   u8 secondary_ch_offset);
-u8 *rtw_set_ie_mesh_ch_switch_parm(u8 *buf, u32 *buf_len, u8 ttl,
-				   u8 flags, u16 reason, u16 precedence);
 
 u8 *rtw_get_ie(u8 *pbuf, int index, int *len, int limit);