Remove dead code

Author: brendandburns

util/src/main/java/io/kubernetes/client/util/Yaml.java

@@ -276,18 +276,6 @@ public CustomRepresenter() {
       this.representers.put(byte[].class, new RepresentByteArray());
       this.representers.put(Quantity.class, new RepresentQuantity());
       this.representers.put(OffsetDateTime.class, new RepresentDateTime());
-      /*
-      this.representers.put(ArrayList.class, new Represent() {
-        @Override
-        public Node representData(Object data) {
-          ArrayList arr = (ArrayList) data;
-          if (arr.size() == 0) {
-            // return representScalar(Tag.NULL, "null");
-            return null;
-          }
-          return representSequence(Tag.SEQ, arr, FlowStyle.AUTO);
-        }
-      });*/
     }
 
     private class RepresentDateTime implements Represent {