Moved the configmap data to values.yaml to make it configurable

Change-Id: Idfef9a959cb29a67a64a0d42a177be8a8c06a74b
diff --git a/xos-core/templates/gui-app-configmap.yaml b/xos-core/templates/gui-app-configmap.yaml
index d49738b..e5b1041 100644
--- a/xos-core/templates/gui-app-configmap.yaml
+++ b/xos-core/templates/gui-app-configmap.yaml
@@ -19,9 +19,4 @@
   labels:
     {{- include "xos-core.release_labels" . | indent 4 }}
 data:
-  config: |
-    angular.module('app')
-    .constant('AppConfig', {
-      apiEndpoint: '/xosapi/v1',
-      websocketClient: '/'
-    });
+  config: | {{ .Values.configs.gui_app | indent 4 }}