Remove touch events from Sky

sky/engine/core/events/TreeScopeEventContext.h

Index: sky/engine/core/events/TreeScopeEventContext.h
diff --git a/sky/engine/core/events/TreeScopeEventContext.h b/sky/engine/core/events/TreeScopeEventContext.h
index a7f46e677eec5a93b3be12ae00835557dd0d5743..25abc89a961bfdf65856c19acb5f49c8c3418dc1 100644
--- a/sky/engine/core/events/TreeScopeEventContext.h
+++ b/sky/engine/core/events/TreeScopeEventContext.h
@@ -41,7 +41,6 @@ class EventTarget;
 class Node;
 template <typename NodeType> class StaticNodeTypeList;
 typedef StaticNodeTypeList<Node> StaticNodeList;
-class TouchEventContext;
 class TreeScope;
 
 class TreeScopeEventContext final : public RefCounted<TreeScopeEventContext> {
@@ -57,9 +56,6 @@ public:
     EventTarget* relatedTarget() const { return m_relatedTarget.get(); }
     void setRelatedTarget(PassRefPtr<EventTarget>);
 
-    TouchEventContext* touchEventContext() const { return m_touchEventContext.get(); }
-    TouchEventContext* ensureTouchEventContext();
-
     PassRefPtr<StaticNodeList> ensureEventPath(EventPath&);
 
     bool isInclusiveAncestorOf(const TreeScopeEventContext&);
@@ -80,7 +76,6 @@ private:
     RefPtr<EventTarget> m_target;
     RefPtr<EventTarget> m_relatedTarget;
     RefPtr<StaticNodeList> m_eventPath;
-    RefPtr<TouchEventContext> m_touchEventContext;
 
     Vector<RawPtr<TreeScopeEventContext> > m_children;
     int m_preOrder;