[front] remove workstation related code

public/main.js

 import * as utils from "./utils.js";
 import { Cluster } from "./cluster.js";
-// import { Workstations } from "./workstations.js";
 
 var last_updated = new utils.Field('Last update', '', false);
 last_updated.get_node_from_id('last-updated');
 
 var cluster = new Cluster();
-// var ws = new Workstations();
-var active = cluster;
-// var inactive = ws;
 
 // Show the default page
-active.show();
+cluster.show();
 
-// TODO use socketio rooms instead of namespaces (easier to switch)
 // console.log("Connecting to socket")
 var socket = io('https://rlhm.glepage.com');
 // console.log("Succesfully connected to socket server.")
@@ -31,20 +26,5 @@ socket.on('update', function(new_dict) {
     update_timestamp();
 
     // Update data
-    active.update(new_dict);
+    cluster.update(new_dict);
 });
-
-// function tab_button_callback(selected_tab) {
-//     // If already in this mode, return and do nothing
-//
-//     // Else,
-//     // Release previous button
-//     // Push selected button
-//
-//     // Connect to corresponding namespace on the socket
-//
-//     // Swap the active and inactive modules
-//     [active, inactive] = [inactive, active];
-//     inactive.hide();
-//     active.show();
-// }

public/workstations.js

-export class Workstations {
-    constructor() {
-    }
-}
-