fix: remove submitUserMessage documentation as it's not an available tool

Author: daniel-lxs

docs/advanced-usage/available-tools/submit-user-message.md

@@ -11,7 +11,7 @@ image: /img/social-share.jpg
 
 # Roo Code 3.25.11 Release Notes (2025-08-11)
 
-This release enhances GPT-5 support, adds the new IO Intelligence provider, improves developer workflows with a new `submitUserMessage` API, and includes several other new features, quality-of-life improvements, and bug fixes.
+This release enhances GPT-5 support, adds the new IO Intelligence provider, and includes several new features, quality-of-life improvements, and bug fixes.
 
 ## Enhanced GPT-5 Support
 
@@ -25,12 +25,6 @@ We've added IO Intelligence as a new provider, giving you access to a wide range
 
 > **📚 Documentation**: See the [IO Intelligence Provider documentation](/providers/io-intelligence) for more information.
 
-## `submitUserMessage` API for Developers
-
-We've added a `submitUserMessage` method to the `Task` class, allowing you to programmatically submit user messages to a webview. This is useful for building custom UI and automating interactions ([#6895](https://github.com/RooCodeInc/Roo-Code/pull/6895)).
-
-> **📚 Documentation**: See the [Task API documentation](/advanced-usage/available-tools/submit-user-message) for examples.
-
 ## Codex Mini Model Support
 
 We've added support for the `codex-mini-latest` model in the OpenAI Native provider, allowing you to leverage its specialized code-related capabilities directly (thanks KJ7LNW!) ([#6931](https://github.com/RooCodeInc/Roo-Code/pull/6931)).

docs/update-notes/v3.25.11.mdx

@@ -134,7 +134,6 @@ const sidebars: SidebarsConfig = {
             'advanced-usage/available-tools/read-file',
             'advanced-usage/available-tools/search-files',
             'advanced-usage/available-tools/search-and-replace',
-            'advanced-usage/available-tools/submit-user-message',
             'advanced-usage/available-tools/switch-mode',
             'advanced-usage/available-tools/update-todo-list',
             'advanced-usage/available-tools/use-mcp-tool',