Remove the Dromaeo and TodoMVC samples.

samples/third_party/todomvc_performance/js_todomvc/elements/td-item.html

Index: samples/third_party/todomvc_performance/js_todomvc/elements/td-item.html
diff --git a/samples/third_party/todomvc_performance/js_todomvc/elements/td-item.html b/samples/third_party/todomvc_performance/js_todomvc/elements/td-item.html
deleted file mode 100755
index 2cc13a3dd91bc543987a2741099560c39104777f..0000000000000000000000000000000000000000
--- a/samples/third_party/todomvc_performance/js_todomvc/elements/td-item.html
+++ /dev/null
@@ -1,47 +0,0 @@
-<link rel="import" href="../components/polymer/polymer.html">
-<link rel="import" href="td-input.html">
-
-<polymer-element name="td-item" extends="li" attributes="item editing" on-blur="{{commitAction}}">
-	<template>
-		<link rel="stylesheet" href="td-item.css">
-		<div class="view {{ {completed: item.completed, editing: editing} | tokenList }}" hidden?="{{editing}}" on-dblclick="{{editAction}}">
-			<input type="checkbox" class="toggle" checked="{{item.completed}}" on-click="{{itemChangeAction}}">
-			<label>{{item.title}}</label>
-			<button class="destroy" on-click="{{destroyAction}}"></button>
-		</div>
-		<input is="td-input" id="edit" class="edit" value="{{item.title}}" hidden?="{{!editing}}" on-td-input-commit="{{commitAction}}" on-td-input-cancel="{{cancelAction}}">
-	</template>
-	<script>
-		(function() {
-			Polymer('td-item', {
-				editing: false,
-				editAction: function() {
-					this.editing = true;
-					// schedule focus for the end of microtask, when the input will be visible
-					this.asyncMethod(function() {
-						this.$.edit.focus();
-					});
-				},
-				commitAction: function() {
-					if (this.editing) {
-						this.editing = false;
-						this.item.title = this.item.title.trim();
-						if (this.item.title === '') {
-							this.destroyAction();
-						}
-						this.fire('td-item-changed');
-					}
-				},
-				cancelAction: function() {
-					this.editing = false;
-				},
-				itemChangeAction: function() {
-					this.fire('td-item-changed');
-				},
-				destroyAction: function() {
-					this.fire('td-destroy-item', this.item);
-				}
-			});
-		})();
-	</script>
-</polymer-element>