Fix missed edit for leashable boats

Author: PseudoKnight

src/main/java/com/laytonsmith/abstraction/bukkit/entities/BukkitMCLivingEntity.java

@@ -9,7 +9,6 @@
 import com.laytonsmith.abstraction.MCPlayer;
 import com.laytonsmith.abstraction.blocks.MCBlock;
 import com.laytonsmith.abstraction.blocks.MCMaterial;
-import com.laytonsmith.abstraction.bukkit.BukkitConvertor;
 import com.laytonsmith.abstraction.bukkit.BukkitMCAttributeModifier;
 import com.laytonsmith.abstraction.bukkit.BukkitMCEntityEquipment;
 import com.laytonsmith.abstraction.bukkit.BukkitMCLocation;