feat(openid-connect): Switch to generic OIDC Client library instead of using Keycloak.js (#273)

OHIFViewer/client/config.js

@@ -1,7 +1,6 @@
 import { Meteor } from 'meteor/meteor';
 import { OHIF } from 'meteor/ohif:core';
 import { cornerstoneWADOImageLoader } from 'meteor/ohif:cornerstone';
-import { Accounts } from "meteor/accounts-base";
 
 Meteor.startup(function() {
     const maxWebWorkers = Math.max(navigator.hardwareConcurrency - 1, 1);
@@ -23,17 +22,10 @@ Meteor.startup(function() {
 
     cornerstoneWADOImageLoader.configure({
         beforeSend: function(xhr) {
-            const userId = Meteor.userId();
             const accessToken = OHIF.user.getAccessToken();
 
             if (accessToken) {
                 xhr.setRequestHeader("Authorization", `Bearer ${accessToken}`);
-            } else {
-                const loginToken = Accounts._storedLoginToken();
-                if (userId && loginToken) {
-                    xhr.setRequestHeader("x-user-id", userId);
-                    xhr.setRequestHeader("x-auth-token", loginToken);
-                }
             }
         }
     });