Remove examples

examples/connected_device_3/web_root/main.js

@@ -1,12 +0,0 @@
-$(document).ready(function() {
-  // Start 1-second timer to call RESTful endpoint
-  setInterval(function() {
-    $.ajax({
-      url: '/get_cpu_usage',
-      dataType: 'json',
-      success: function(json) {
-        $('#cpu_usage').text(json.result + '% ');
-      }
-    });
-  }, 1000);
-});