Do not show number of items completed in the Clear completed button.

See https://github.com/tastejs/todomvc-app-css#6

examples/gwt/src/com/todo/client/ToDoView.java

@@ -59,9 +59,6 @@ public class ToDoView extends Composite implements ToDoPresenter.View {
 	@UiField
 	Element todoStatsContainer;
 
-	@UiField
-	SpanElement clearTasksCount;
-
 	@UiField
 	Button clearCompleted;
 
@@ -149,7 +146,6 @@ public class ToDoView extends Composite implements ToDoPresenter.View {
 
 		remainingTasksCount.setInnerText(Integer.toString(remainingTasks));
 		remainingTasksLabel.setInnerText(remainingTasks > 1 || remainingTasks == 0 ? "items" : "item");
-		clearTasksCount.setInnerHTML(Integer.toString(completedTasks));
 
 		toggleAll.setChecked(totalTasks == completedTasks);
 	}

examples/gwt/src/com/todo/client/ToDoView.ui.xml

@@ -39,9 +39,7 @@
 						<g:Hyperlink targetHistoryToken="/completed" styleName="{style.inline}" ui:field="routingCompleted">Completed</g:Hyperlink>
 					</li>
 				</ul>
-				<g:Button ui:field="clearCompleted">
-					Clear completed (<span class="number-done" ui:field="clearTasksCount"></span>)
-				</g:Button>
+				<g:Button ui:field="clearCompleted"></g:Button>
 			</footer>
 		</section>