Update Upstream

95d784f Return false if Entity#remove is unsupported

worldedit-bukkit/src/main/java/com/sk89q/worldedit/bukkit/BukkitEntity.java

@@ -113,7 +113,11 @@ public class BukkitEntity implements Entity {
     public boolean remove() {
         org.bukkit.entity.Entity entity = entityRef.get();
         if (entity != null) {
-            entity.remove();
+            try {
+                entity.remove();
+            } catch (UnsupportedOperationException e) {
+                return false;
+            }
             return entity.isDead();
         } else {
             return true;