Clean up some TODOs

util/src/main/java/org/jf/util/CollectionUtils.java

@@ -79,7 +79,6 @@ public class CollectionUtils {
         for (T element1: it1) {
             T element2;
             try {
-                // TODO: would checking hasNext be more efficient?
                 element2 = elements2.next();
             } catch (NoSuchElementException ex) {
                 return 1;

util/src/main/java/org/jf/util/IndentingWriter.java

@@ -31,7 +31,6 @@ package org.jf.util;
 import java.io.IOException;
 import java.io.Writer;
 
-// TODO: add a write(String) method that doesn't scan for embedded newlines?
 public class IndentingWriter extends Writer {
     protected final Writer writer;
     protected final char[] buffer = new char[24];