iwlwifi: mvm: rs: remove unused timestamp field

Remove this as it's unused.
Signed-off-by: Eyal Shapira <eyal@wizery.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>

drivers/net/wireless/iwlwifi/mvm/rs.c

@@ -271,7 +271,6 @@ static void rs_rate_scale_clear_window(struct iwl_rate_scale_data *window)
 	window->success_ratio = IWL_INVALID_VALUE;
 	window->counter = 0;
 	window->average_tpt = IWL_INVALID_VALUE;
-	window->stamp = 0;
 }
 
 static inline u8 rs_is_valid_ant(u8 valid_antenna, u8 ant_type)
@@ -428,9 +427,6 @@ static int rs_collect_tx_data(struct iwl_scale_tbl_info *tbl,
 	else
 		window->average_tpt = IWL_INVALID_VALUE;
 
-	/* Tag this window as having been updated */
-	window->stamp = jiffies;
-
 	return 0;
 }
 

drivers/net/wireless/iwlwifi/mvm/rs.h

@@ -257,7 +257,6 @@ struct iwl_rate_scale_data {
 	s32 success_ratio;	/* per-cent * 128  */
 	s32 counter;		/* number of frames attempted */
 	s32 average_tpt;	/* success ratio * expected throughput */
-	unsigned long stamp;
 };
 
 /**