Delete proxy and total samples, which have bit-rotted.

samples/total/client/Adminz.js

-// Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
-// for details. All rights reserved. Use of this source code is governed by a
-// BSD-style license that can be found in the LICENSE file.
-
-var restartz = document.getElementById("restartServer");
-restartz.onclick = restartServer;
-
-var stopz = document.getElementById("stopServer");
-stopz.onclick = stopServer;
-
-var adminzReq;
-var adminzStatus  = document.getElementById("adminzStatus");
-
-var statuzTimer;
-
-function showStatus() {
-  if (adminzReq.readyState == 4) {
-    if (adminzReq.status == 200) {
-      adminzStatus.value = adminzReq.responseText;
-    } else {
-      adminzStatus.value = "Error " + adminzReq.status;
-    }
-  }
-  clearTimer();
-  statuzTimer = window.setTimeout("adminzStatus.value=''", 2000);
-}
-
-function clearTimer() {
-  if (statuzTimer) {
-    window.clearTimeout(statuzTimer);
-    statuzTimer = null;
-  }
-}
-
-function restartServer(event) {
-  clearTimer();
-  adminzReq = new XMLHttpRequest();
-  adminzReq.onreadystatechange = showStatus;
-  adminzReq.open("POST", "/adm/restart");
-  adminzStatus.value = "Restarting...";
-  adminzReq.send();
-}
-
-function stopServer(event) {
-  clearTimer();
-  adminzReq = new XMLHttpRequest();
-  adminzReq.onreadystatechange = showStatus;
-  adminzReq.open("POST", "/adm/stop");
-  adminzStatus.value = "Stopping...";
-  adminzReq.send();
-}