Use OnReset function to reset damage indicators

The additional indirection with the `CEffects::ResetDamageIndicator` and `CDamageInd::Reset` functions to reset damage indicators is confusing and unnecessary. Always reset the damage indicators when disconnecting (in `OnReset`) instead of when entering the next game.

src/game/client/components/damageind.cpp

@@ -105,7 +105,7 @@ void CDamageInd::OnInit()
 	Graphics()->QuadContainerUpload(m_DmgIndQuadContainerIndex);
 }
 
-void CDamageInd::Reset()
+void CDamageInd::OnReset()
 {
 	for(int i = 0; i < m_NumItems;)
 	{

src/game/client/components/damageind.h

@@ -37,7 +37,7 @@ public:
 	virtual int Sizeof() const override { return sizeof(*this); }
 
 	void Create(vec2 Pos, vec2 Dir, float Alpha);
-	void Reset();
+	virtual void OnReset() override;
 	virtual void OnRender() override;
 	virtual void OnInit() override;
 };

src/game/client/components/effects.cpp

@@ -53,11 +53,6 @@ void CEffects::DamageIndicator(vec2 Pos, vec2 Dir, float Alpha)
 	m_pClient->m_DamageInd.Create(Pos, Dir, Alpha);
 }
 
-void CEffects::ResetDamageIndicator()
-{
-	m_pClient->m_DamageInd.Reset();
-}
-
 void CEffects::PowerupShine(vec2 Pos, vec2 Size, float Alpha)
 {
 	if(!m_Add50hz)

src/game/client/components/effects.h

@@ -26,7 +26,6 @@ public:
 	void HammerHit(vec2 Pos, float Alpha = 1.0f);
 	void AirJump(vec2 Pos, float Alpha = 1.0f);
 	void DamageIndicator(vec2 Pos, vec2 Dir, float Alpha = 1.0f);
-	void ResetDamageIndicator();
 	void PlayerSpawn(vec2 Pos, float Alpha = 1.0f);
 	void PlayerDeath(vec2 Pos, int ClientId, float Alpha = 1.0f);
 	void PowerupShine(vec2 Pos, vec2 Size, float Alpha = 1.0f);

src/game/client/gameclient.cpp

@@ -1010,7 +1010,6 @@ void CGameClient::OnShutdown()
 
 void CGameClient::OnEnterGame()
 {
-	m_Effects.ResetDamageIndicator();
 }
 
 void CGameClient::OnGameOver()