fix: remove non-existent SSEEventType import from Linux Desktop guide

The page.tsx code example imported SSEEventType from @/types, but this
type was never defined in the types/index.ts file and wasn't used in
the component. This caused TypeScript compilation errors when following
the guide.

Author: beran-t

docs/use-cases/linux-desktop.mdx

@@ -29,9 +29,7 @@ This guide is a demo version of [E2B Surf](https://github.com/e2b-dev/surf), an
   </Card>
 </CardGroup>
 
-<Note>
-  Full source code available on [GitHub](https://github.com/e2b-dev/surf).
-</Note>
+Full source code is available in the [E2B Surf repository](https://github.com/e2b-dev/surf).
 
 ## Project Structure
 
@@ -730,7 +728,7 @@ Create `app/page.tsx` with a chat interface, real-time status tracking, VNC view
       import { useState, useRef, useEffect, useCallback } from 'react';
       import { extendSandboxTimeout, stopSandbox } from './actions';
       import { SANDBOX_CONFIG } from '@/lib/constants';
-      import type { ChatMessage, ConversationTurn, SSEEventType } from '@/types';
+      import type { ChatMessage, ConversationTurn } from '@/types';
 
       export default function Home() {
         const [messages, setMessages] = useState<ChatMessage[]>([]);