Convering client to react-router.

web/react/components/admin_console/admin_sidebar_header.jsx

@@ -3,7 +3,6 @@
 
 import AdminNavbarDropdown from './admin_navbar_dropdown.jsx';
 import UserStore from '../../stores/user_store.jsx';
-import * as Utils from '../../utils/utils.jsx';
 
 import {FormattedMessage} from 'mm-intl';
 
@@ -39,7 +38,7 @@ export default class SidebarHeader extends React.Component {
             profilePicture = (
                 <img
                     className='user__picture'
-                    src={'/api/v1/users/' + me.id + '/image?time=' + me.update_at + '&' + Utils.getSessionIndex()}
+                    src={'/api/v1/users/' + me.id + '/image?time=' + me.update_at}
                 />
             );
         }
@@ -65,4 +64,4 @@ export default class SidebarHeader extends React.Component {
             </div>
         );
     }
-}
+}