update App.tsx and remove unnecessary media components

src/App.tsx

@@ -2,7 +2,7 @@ import { PlateEditor } from "./components/editor/plate-editor";
 
 function App() {
   return (
-    <div className="bg-blue-800 h-screen flex items-center justify-center z-10 relative">
+    <div className="bg-blue-800 h-screen flex items-center justify-center">
       <PlateEditor />
     </div>
   );

src/components/plate-ui/insert-dropdown-menu.tsx

@@ -13,7 +13,6 @@ import {
   useEditorRef,
 } from '@udecode/plate-common/react';
 import { DatePlugin } from '@udecode/plate-date/react';
-import { ExcalidrawPlugin } from '@udecode/plate-excalidraw/react';
 import { HEADING_KEYS } from '@udecode/plate-heading';
 import { TocPlugin } from '@udecode/plate-heading/react';
 import { HorizontalRulePlugin } from '@udecode/plate-horizontal-rule/react';
@@ -23,7 +22,6 @@ import {
   EquationPlugin,
   InlineEquationPlugin,
 } from '@udecode/plate-math/react';
-import { ImagePlugin, MediaEmbedPlugin } from '@udecode/plate-media/react';
 import { TablePlugin } from '@udecode/plate-table/react';
 import { TogglePlugin } from '@udecode/plate-toggle/react';
 import {
@@ -31,16 +29,13 @@ import {
   ChevronRightIcon,
   Columns3Icon,
   FileCodeIcon,
-  FilmIcon,
   Heading1Icon,
   Heading2Icon,
   Heading3Icon,
-  ImageIcon,
   Link2Icon,
   ListIcon,
   ListOrderedIcon,
   MinusIcon,
-  PenToolIcon,
   PilcrowIcon,
   PlusIcon,
   QuoteIcon,
@@ -159,31 +154,6 @@ const groups: Group[] = [
       },
     })),
   },
-  {
-    group: 'Media',
-    items: [
-      {
-        icon: <ImageIcon />,
-        label: 'Image',
-        value: ImagePlugin.key,
-      },
-      {
-        icon: <FilmIcon />,
-        label: 'Embed',
-        value: MediaEmbedPlugin.key,
-      },
-      {
-        icon: <PenToolIcon />,
-        label: 'Excalidraw',
-        value: ExcalidrawPlugin.key,
-      },
-    ].map((item) => ({
-      ...item,
-      onSelect: (editor, value) => {
-        insertBlock(editor, value);
-      },
-    })),
-  },
   {
     group: 'Advanced blocks',
     items: [