Remove touch events from Sky

sky/engine/core/events/ThreadLocalEventNames.h

Index: sky/engine/core/events/ThreadLocalEventNames.h
diff --git a/sky/engine/core/events/ThreadLocalEventNames.h b/sky/engine/core/events/ThreadLocalEventNames.h
index 4846f04691f158c23f7057833a513a33dca7916a..313a77093519f8190088da9cee91e9324eede49d 100644
--- a/sky/engine/core/events/ThreadLocalEventNames.h
+++ b/sky/engine/core/events/ThreadLocalEventNames.h
@@ -29,16 +29,4 @@
 #include "gen/sky/core/EventTypeNames.h"
 #include "sky/engine/wtf/text/AtomicString.h"
 
-namespace blink {
-
-inline bool isTouchEventType(const AtomicString& eventType)
-{
-    return eventType == EventTypeNames::touchstart
-        || eventType == EventTypeNames::touchmove
-        || eventType == EventTypeNames::touchend
-        || eventType == EventTypeNames::touchcancel;
-}
-
-}
-
 #endif  // SKY_ENGINE_CORE_EVENTS_THREADLOCALEVENTNAMES_H_