Don't change the scene's y clipping at all when changing the map y clipping.

Author: leMaik

chunky/src/java/se/llbit/chunky/ui/render/tabs/GeneralTab.java

@@ -517,13 +517,7 @@ private void updateYClipSlidersRanges(World world) {
       yMax.setRange(-64, 320);
     } else {
       yMin.setRange(0, 256);
-      if (yMin.get() < 0) {
-        yMin.set(0);
-      }
       yMax.setRange(0, 256);
-      if (yMax.get() > 256) {
-        yMax.set(256);
-      }
     }
   }
 }