remove deprecated Player.LastAlivePosition due to performance concerns

pkg/demoinfocs/common/player.go

@@ -16,7 +16,6 @@ type Player struct {
 	demoInfoProvider demoInfoProvider // provider for demo info such as tick-rate or current tick
 
 	SteamID64             uint64             // 64-bit representation of the user's Steam ID. See https://developer.valvesoftware.com/wiki/SteamID
-	LastAlivePosition     r3.Vector          // Deprecated: will be removed in v5 due to performance concerns, track this yourself.
 	UserID                int                // Mostly used in game-events to address this player
 	Name                  string             // Steam / in-game user name
 	Inventory             map[int]*Equipment // All weapons / equipment the player is currently carrying. See also Weapons().

pkg/demoinfocs/datatables.go

@@ -478,13 +478,6 @@ func (p *parser) bindNewPlayerS1(playerEntity st.Entity) {
 		pl.Entity = nil
 	})
 
-	// Position
-	playerEntity.OnPositionUpdate(func(pos r3.Vector) {
-		if pl.IsAlive() {
-			pl.LastAlivePosition = pos
-		}
-	})
-
 	// General info
 	playerEntity.Property("m_iTeamNum").OnUpdate(func(val st.PropertyValue) {
 		pl.Team = common.Team(val.IntVal)
@@ -632,18 +625,6 @@ func (p *parser) bindNewPlayerPawnS2(pawnEntity st.Entity) {
 		p.bindPlayerWeaponsS2(pawnEntity, pl)
 	})
 
-	// Position
-	pawnEntity.OnPositionUpdate(func(pos r3.Vector) {
-		pl := getPlayerFromPawnEntity(pawnEntity)
-		if pl == nil {
-			return
-		}
-
-		if pl.IsAlive() {
-			pl.LastAlivePosition = pos
-		}
-	})
-
 	pawnEntity.Property("m_flFlashDuration").OnUpdate(func(val st.PropertyValue) {
 		pl := getPlayerFromPawnEntity(pawnEntity)
 		if pl == nil {