fix: recovering Quickstart and removing SSE sample app (#841)

fix: recovering Quickstart and removing SSE sample app

Co-authored-by: Joe Fernandez <[email protected]>

Author: kazunori279

docs/streaming/index.md

@@ -34,7 +34,6 @@ text, audio, and video inputs, and they can provide text and audio output.
 
 <div class="grid cards" markdown>
 
-<!-- this quickstart is outdated
 -   :material-console-line: **Quickstart (Bidi-streaming)**
 
     ---
@@ -43,15 +42,13 @@ text, audio, and video inputs, and they can provide text and audio output.
     implement low-latency and bidirectional voice and video communication.
 
     - [Quickstart (Bidi-streaming)](../get-started/streaming/quickstart-streaming.md)
--->
 
 -   :material-console-line: **Custom Audio Streaming app sample**
 
     ---
 
-    This article overviews the server and client code for a custom asynchronous web app built with ADK Streaming and FastAPI, enabling real-time, bidirectional audio and text communication with both Server Sent Events (SSE) and WebSockets.
+    This article overviews the server and client code for a custom asynchronous web app built with ADK Streaming and FastAPI, enabling real-time, bidirectional audio and text communication with WebSockets.
 
-    - [Custom Audio Streaming app sample (SSE)](custom-streaming.md)
     - [Custom Audio Streaming app sample (WebSockets)](custom-streaming-ws.md)
 
 -   :material-console-line: **Bidi-streaming development guide series**

mkdocs.yml

@@ -219,7 +219,6 @@ nav:
     - plugins/index.md
   - Bidi-streaming (live):
     - streaming/index.md
-    - Custom Audio Bidi-streaming app sample (SSE): streaming/custom-streaming.md
     - Custom Audio Bidi-streaming app sample (WebSockets): streaming/custom-streaming-ws.md
     - Bidi-streaming development guide series: streaming/dev-guide/part1.md
     - Streaming Tools: streaming/streaming-tools.md