DEL: unused utils

src/mhtree/Utils.java

-package mhtree;
-
-import java.util.List;
-
-public class Utils {
-    public static int getIndexOfMinElement(List<Float> x) {
-        float min = Float.MAX_VALUE;
-        int index = -1;
-
-        for (int i = 0; i < x.size(); i++) {
-            if (x.get(i) < min) {
-                min = x.get(i);
-                index = i;
-            }
-        }
-
-        return index;
-    }
-}