Remove unused angular filter for oauth clients

src/js/index.js

@@ -208,12 +208,6 @@ app.filter('applicationLink', function() {
     };
 });
 
-app.filter('activeOAuthClients', function () {
-    return function (clients, user) {
-        return clients.filter(function (c) { return user.admin || (c.activeTokens && c.activeTokens.length > 0); });
-    };
-});
-
 // this appears when an item in app grid is clicked
 app.filter('prettyAppErrorMessage', function () {
     return function (app) {