Revert "cleanup"

This reverts commit e128f60519.

src/engine/objects/Building.java

@@ -9,7 +9,6 @@
 
 package engine.objects;
 
-import com.sun.prism.Mesh;
 import engine.Enum;
 import engine.Enum.*;
 import engine.InterestManagement.RealmMap;
@@ -1537,8 +1536,6 @@ public class Building extends AbstractWorldObject {
     }
 
     public void updateNavMesh(){
-
-        //TODO figure out how to subtract the mesh of the building form the navMesh
         for(Regions region : this.getBounds().getRegions())
             this.parentZone.navMesh.add(region.getArea());
     }