Revert "Show liveness indicator (beating heart)"

This reverts commit 84c4298cd5.

Conflicts:
	gui/app.js
	gui/index.html

gui/app.js

@@ -5,13 +5,12 @@
 
 var syncthing = angular.module('syncthing', []);
 var urlbase = 'rest';
-var refreshInterval = 10000; // ms
 
 syncthing.controller('SyncthingCtrl', function ($scope, $http) {
     var prevDate = 0;
+    var getOK = true;
     var restarting = false;
 
-    $scope.getOK = true;
     $scope.connections = {};
     $scope.config = {};
     $scope.myID = '';
@@ -21,8 +20,6 @@ syncthing.controller('SyncthingCtrl', function ($scope, $http) {
     $scope.seenError = '';
     $scope.model = {};
     $scope.repos = {};
-    $scope.lastUpdated = new Date();
-    $scope.heartbeat = 0;
 
     // Strings before bools look better
     $scope.settings = [
@@ -46,11 +43,10 @@ syncthing.controller('SyncthingCtrl', function ($scope, $http) {
     ];
 
     function getSucceeded() {
-        $scope.lastUpdated = new Date();
-        if (!$scope.getOK) {
+        if (!getOK) {
             $scope.init();
             $('#networkError').modal('hide');
-            $scope.getOK = true;
+            getOK = true;
         }
         if (restarting) {
             $scope.init();
@@ -63,18 +59,9 @@ syncthing.controller('SyncthingCtrl', function ($scope, $http) {
         if (restarting) {
             return;
         }
-        if ($scope.getOK) {
+        if (getOK) {
             $('#networkError').modal({backdrop: 'static', keyboard: false});
-            $scope.getOK = false;
-            $scope.heartbeat = 0;
-        }
-    }
-
-    function heartbeat() {
-        if ($scope.getOK){
-            $scope.$apply(function () {
-                $scope.heartbeat = ($scope.heartbeat + 1) % 5;
-            });
+            getOK = false;
         }
     }
 
@@ -458,9 +445,7 @@ syncthing.controller('SyncthingCtrl', function ($scope, $http) {
     };
 
     $scope.init();
-
-    setInterval($scope.refresh, refreshInterval);
-    setInterval(heartbeat, 650);
+    setInterval($scope.refresh, 10000);
 });
 
 function nodeCompare(a, b) {