staging: wilc1000: remove host_int_get_rx_power_level

This patch removes host_int_get_rx_power_level function definition and
declaration that is defined at host_interface.c and host_interface.h.
This function is defined but not used anywhere in this driver so just
remove it.
Signed-off-by: Chaehyun Lim <chaehyun.lim@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/wilc1000/host_interface.c

@@ -3560,20 +3560,6 @@ s32 host_int_get_assoc_res_info(struct host_if_drv *hif_drv,
 	return result;
 }
 
-s32 host_int_get_rx_power_level(struct host_if_drv *hif_drv,
-				u8 *pu8RxPowerLevel,
-				u32 u32RxPowerLevelLen)
-{
-	struct wid wid;
-
-	wid.id = (u16)WID_RX_POWER_LEVEL;
-	wid.type = WID_STR;
-	wid.val = pu8RxPowerLevel;
-	wid.size = u32RxPowerLevelLen;
-
-	return 0;
-}
-
 int host_int_set_mac_chnl_num(struct host_if_drv *hif_drv, u8 channel)
 {
 	int result;

drivers/staging/wilc1000/host_interface.h

@@ -339,9 +339,6 @@ s32 host_int_get_assoc_res_info(struct host_if_drv *hWFIDrv,
 				u8 *pu8AssocRespInfo,
 				u32 u32MaxAssocRespInfoLen,
 				u32 *pu32RcvdAssocRespInfoLen);
-s32 host_int_get_rx_power_level(struct host_if_drv *hWFIDrv,
-				u8 *pu8RxPowerLevel,
-				u32 u32RxPowerLevelLen);
 int host_int_set_mac_chnl_num(struct host_if_drv *wfi_drv, u8 channel);
 s32 host_int_get_host_chnl_num(struct host_if_drv *hWFIDrv, u8 *pu8ChNo);
 s32 host_int_get_rssi(struct host_if_drv *hWFIDrv, s8 *ps8Rssi);