thunderbolt: Get rid of TB_CFG_PKG_PREPARE_TO_SLEEP

This is not used anywhere in the driver so remove it. No functional
changes.
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>

drivers/thunderbolt/tb_msgs.h

@@ -98,12 +98,6 @@ struct cfg_reset_pkg {
 	struct tb_cfg_header header;
 } __packed;
 
-/* TB_CFG_PKG_PREPARE_TO_SLEEP */
-struct cfg_pts_pkg {
-	struct tb_cfg_header header;
-	u32 data;
-} __packed;
-
 /* ICM messages */
 
 enum icm_pkg_code {

include/linux/thunderbolt.h

@@ -33,7 +33,6 @@ enum tb_cfg_pkg_type {
 	TB_CFG_PKG_ICM_EVENT = 10,
 	TB_CFG_PKG_ICM_CMD = 11,
 	TB_CFG_PKG_ICM_RESP = 12,
-	TB_CFG_PKG_PREPARE_TO_SLEEP = 13,
 };
 
 /**