Remove unused import

src/main/java/com/gmail/nossr50/events/experience/McMMOPlayerLevelChangeEvent.java

@@ -3,7 +3,6 @@ package com.gmail.nossr50.events.experience;
 import org.bukkit.entity.Player;
 
 import com.gmail.nossr50.datatypes.skills.SkillType;
-import com.gmail.nossr50.mcMMO;
 
 /**
  * Called when a user levels change