update 3637 mod solution

java/search/IntList.java

@@ -28,16 +28,6 @@ public class IntList {
         return idx;
     }
 
-    public IntList getReversed() {
-        IntList reverse = new IntList(new int[idx]);
-
-        for (int i = idx - 1; i >= 0; i--) {
-            reverse.put(list[i]);
-        }
-
-        return reverse;
-    }
-
     public int get(int index) {
         return list[index];
     }