Fix warnings about unused code.

dart/site/try/src/editor.dart

Index: dart/site/try/src/editor.dart
diff --git a/dart/site/try/src/editor.dart b/dart/site/try/src/editor.dart
index 615a8539aec63a83cf4fbb88e6228b433286dce3..45bcb3bcb520d74f268d81ea979d35863030af4c 100644
--- a/dart/site/try/src/editor.dart
+++ b/dart/site/try/src/editor.dart
@@ -232,17 +232,6 @@ addDiagnostic(String kind, String message, int begin, int end) {
       mainEditorPane, childList: true, characterData: true, subtree: true);
 }
 
-void inlineChildren(Element element) {
-  if (element == null) return;
-  var parent = element.parentNode;
-  if (parent == null) return;
-  for (Node child in new List.from(element.nodes)) {
-    child.remove();
-    parent.insertBefore(child, element);
-  }
-  element.remove();
-}
-
 Decoration getDecoration(Token token) {
   if (token is ErrorToken) {
     isMalformedInput = true;