Cleanup

core/src/mindustry/entities/Lightning.java

@@ -11,7 +11,6 @@ import mindustry.world.*;
 
 import static mindustry.Vars.*;
 
-//TODO move into a different class
 public class Lightning{
     private static final Rand random = new Rand();
     private static final Rect rect = new Rect();

core/src/mindustry/entities/Units.java

@@ -149,7 +149,6 @@ public class Units{
         result = null;
         cdist = 0f;
 
-        //TODO optimize
         for(Unitc e : Groups.unit){
             if(!predicate.get(e) || e.team() != team) continue;