feat(toolbox): Refactor Toolbar and Toolbox to enable sections (#4825)

modes/preclinical-4d/src/index.tsx

@@ -1,9 +1,7 @@
 import { id } from './id';
-import { hotkeys } from '@ohif/core';
 import initWorkflowSteps from './initWorkflowSteps';
 import initToolGroups from './initToolGroups';
 import toolbarButtons from './toolbarButtons';
-import segmentationButtons from './segmentationButtons';
 
 const extensionDependencies = {
   '@ohif/extension-default': '3.7.0-beta.76',
@@ -56,7 +54,8 @@ function modeFactory({ modeConfiguration }) {
       measurementService.clearMeasurements();
       initToolGroups({ toolNames, Enums, toolGroupService, commandsManager, servicesManager });
 
-      toolbarService.addButtons([...toolbarButtons, ...segmentationButtons]);
+      toolbarService.addButtons(toolbarButtons);
+
       toolbarService.createButtonSection('secondary', ['ProgressDropdown']);
 
       // the primary button section is created in the workflow steps