Do imports based on AdminLTE plugins

core/admin/assets/app.js

@@ -1,6 +1,6 @@
 require('./app.css');
 
-import 'select2';
+import 'admin-lte/plugins/select2/js/select2.js';
 import 'admin-lte/plugins/datatables/jquery.dataTables.js';
 import 'admin-lte/plugins/datatables-bs4/js/dataTables.bootstrap4.js';
 import 'admin-lte/plugins/datatables-responsive/js/dataTables.responsive.js';

core/admin/assets/vendor.js

@@ -1,13 +1,12 @@
 // jQuery
 import jQuery from 'jquery';
-import 'select2/dist/css/select2.css';
+import 'admin-lte/plugins/select2/css/select2.css';
 
 // bootstrap
 // import 'bootstrap/less/bootstrap.less';
 // import 'bootstrap';
 
-// FA
-// import 'font-awesome/scss/font-awesome.scss'; // FA is included with AdminLTE
+// FontAwesome
 import 'admin-lte/plugins/fontawesome-free/css/fontawesome.css';
 import 'admin-lte/plugins/fontawesome-free/css/regular.css';
 import 'admin-lte/plugins/fontawesome-free/css/solid.css';
@@ -16,10 +15,6 @@ import 'admin-lte/plugins/fontawesome-free/css/solid.css';
 import 'admin-lte/build/scss/adminlte.scss';
 import 'admin-lte/plugins/datatables-bs4/css/dataTables.bootstrap4.css';
 import 'admin-lte/plugins/datatables-responsive/css/responsive.bootstrap4.css';
-// import 'admin-lte/build/less/AdminLTE-without-plugins.less'; // doesn't exist
-// import 'admin-lte/build/less/select2.less'; // doesn't exist
-// import 'admin-lte/build/less/skins/skin-blue.less'; // doesn't exist
 import 'admin-lte/build/js/Layout.js';
 import 'admin-lte/build/js/ControlSidebar.js';
 import 'admin-lte/build/js/PushMenu.js';
-// import 'admin-lte/build/js/BoxRefresh.js'; // doesn't exist

core/admin/package.json

@@ -13,12 +13,9 @@
     "@babel/preset-env": "^7.4.4",
     "admin-lte": "^3.1.0",
     "babel-loader": "^8.0.5",
-    "bootstrap": "^3.4.1",
     "css-loader": "^2.1.1",
     "expose-loader": "^0.7.5",
     "file-loader": "^3.0.1",
-    "font-awesome": "^4.7.0",
-    "font-awesome-loader": "^1.0.2",
     "jQuery": "^1.7.4",
     "less": "^3.9.0",
     "less-loader": "^5.0.0",
@@ -26,7 +23,6 @@
     "node-sass": "^4.12.0",
     "popper.js": "^1.15.0",
     "sass-loader": "^7.1.0",
-    "select2": "^4.0.7-rc.0",
     "style-loader": "^0.23.1",
     "url-loader": "^1.1.2",
     "webpack": "^4.30.0",