staging: ks7010: Remove unused 'struct hostif_power_mgmt_confirm_t'.

'struct hostif_power_mgmt_confirm_t' is not used in this driver. Remove
'struct hostif_power_mgmt_confirm_t'.
Signed-off-by: NQuytelda Kahja <quytelda@tamalin.org>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/ks7010/ks_hostif.h

@@ -193,11 +193,6 @@ enum power_mgmt_mode_type {
 /* #define	RESULT_ALREADY_RUNNING    3 */
 #define	RESULT_ALREADY_RUNNING    7
 
-struct hostif_power_mgmt_confirm_t {
-	struct hostif_hdr header;
-	__le16 result_code;
-} __packed;
-
 struct hostif_start_request_t {
 	struct hostif_hdr header;
 	__le16 mode;