Remove debugging code in unionWithMakeSet()

Change-Id: I749d482ecad444baf0cf02c433beaf8a70eec9ff
diff --git a/src/main/java/com/android/tools/r8/utils/DisjointSets.java b/src/main/java/com/android/tools/r8/utils/DisjointSets.java
index a39b482..d8e42b9 100644
--- a/src/main/java/com/android/tools/r8/utils/DisjointSets.java
+++ b/src/main/java/com/android/tools/r8/utils/DisjointSets.java
@@ -125,9 +125,6 @@
    * <p>Returns the representative for the union set.
    */
   public T unionWithMakeSet(T element1, T element2) {
-    if (element1.toString().contains("Enum") || element2.toString().contains("Enum")) {
-      System.out.println();
-    }
     if (element1 == element2) {
       return findOrMakeSet(element1);
     }