delete EventListener

common/api/src/main/java/com/dfsek/terra/api/event/EventListener.java

@@ -1,12 +0,0 @@
-package com.dfsek.terra.api.event;
-
-import com.dfsek.terra.api.event.events.Event;
-
-/**
- * Marker interface for a class that contains event listener methods.
- *
- * @see Event
- * @see EventManager
- */
-public interface EventListener {
-}