All demo pages are in separate modules.

1. Remove demo pages folder:

   [metronic]/theme/react/[demo]/src/app/modules/ECommerce

   [metronic]/theme/react/[demo]/src/app/modules/GoogleMaterialExamples

   [metronic]/theme/react/[demo]/src/app/modules/ReactBootstrapExamples

   Leave Auth and ErrorsExamples folder. Auth is required for authentication module like login and register page. ErrorsExamples is required for 404 page redirect (* you able to keep only error page and remove others).

2. Remove ECommerce mock dependencies in file [metronic]/theme/react/[demo]/src/redux/__mocks__/mockAxios.js:
3. Remove ECommerce redux reducers dependencies in file [metronic]/theme/react/[demo]/src/redux/rootReducer.js:
4. Remove demo pages from Routing in file [metronic]/theme/react/[demo]/src/app/pages/BasePage.js:
5. Remove demo pages links from Aside Menu in file [metronic]/theme/react/[demo]/src/_metronic/layout/components/aside/aside-menu/AsideMenuList.js: Remove all html code from row 47 to 1465
6. Remove demo pages links from Header Menu in file [metronic]/theme/react/[demo]/src/_metronic/layout/components/header/header-menu/HeaderList.js: Remove all html code from row 29 to 1001

All dashboard widgets can be easily removed.

1. Remove dashboard+widgets folders:

   [metronic]/theme/react/[demo]/src/_metronic/_partials/dashboards

   [metronic]/theme/react/[demo]/src/_metronic/_partials/widgets

2. Remove Dashboard imports in file [metronic]/theme/react/[demo]/src/_metronic/_partials/index.js:

   // export {Dashboard} from "./dashboards/Dashboard";
   export {Builder} from "./builder/Builder";

3. Remove Dashboard component dependencies in file [metronic]/theme/react/[demo]/src/app/pages/DashboardPage.js:

   import React from "react";
   
   export function DashboardPage() {
     return <></>;
   }