Remove Zone matter from jig structure

src/main/java/com/volmit/iris/engine/object/IrisJigsawStructure.java

@@ -59,9 +59,6 @@ public class IrisJigsawStructure extends IrisRegistrant {
     @Desc("Jigsaw grows the parallax layer which slows iris down a bit. Since there are so many pieces, Iris takes the avg piece size and calculates the parallax radius from that. Unless your structures are using only the biggest pieces, your structure should fit in the chosen size fine. If you are seeing cut-off parts of your structures or broken terrain, turn this option on. This option will pick the biggest piece dimensions and multiply it by your (maxDepth+1) * 2 as the size to grow the parallax layer by. But typically keep this off.")
     private boolean useMaxPieceSizeForParallaxRadius = false;
 
-    @Desc("Add a noise feature to this village")
-    private IrisFeature feature = null;
-
     @Desc("If set to true, iris will look for any pieces with only one connector in valid pools for edge connectors and attach them to 'terminate' the paths/piece connectors. Essentially it caps off ends. For example in a village, Iris would add houses to the ends of roads where possible. For terminators to be selected, they can only have one connector or they wont be chosen.")
     private boolean terminate = true;