fix(mode): no need to initialize toolbar service (#1763)

Author: sedghi

plugins/ohifv3/modes/monai-label/src/index.tsx

@@ -102,7 +102,6 @@ function modeFactory({ modeConfiguration }) {
         activateTool
       ));
 
-      toolbarService.init(extensionManager);
       toolbarService.addButtons(toolbarButtons);
       toolbarService.createButtonSection('primary', [
         'MeasurementTools',