SPIGOT-323: Enchanting tables can no longer be force opened.

src/main/java/org/bukkit/craftbukkit/entity/CraftHumanEntity.java

@@ -1,5 +1,6 @@
 package org.bukkit.craftbukkit.entity;
 
+import com.google.common.base.Preconditions;
 import java.util.Set;
 
 import net.minecraft.server.*;
@@ -284,7 +285,15 @@ public class CraftHumanEntity extends CraftLivingEntity implements HumanEntity {
         return getHandle().activeContainer.getBukkitView();
     }
 
+    @Override
+    public InventoryView openEnchanting(Location location) {
+        return openEnchanting(location, false);
+    }
+
+    @Override
     public InventoryView openEnchanting(Location location, boolean force) {
+        Preconditions.checkArgument(!force, "Cannot force open enchanting tables!");
+
         if (!force) {
             Block block = location.getBlock();
             if (block.getType() != Material.ENCHANTMENT_TABLE) {