Remove Copilot Coding Agent section from installation guide

Removing CCA install guide after confirming that the GitHub server is natively available to coding agent.

Author: D1M1TR10S

docs/installation-guides/install-other-copilot-ides.md

@@ -10,18 +10,6 @@ Quick setup guide for the GitHub MCP server in GitHub Copilot across different I
 
 > **Note:** All Copilot IDEs now support the remote GitHub MCP server. VS Code offers OAuth authentication, while Visual Studio, JetBrains IDEs, Xcode, and Eclipse currently use PAT authentication with OAuth support coming soon.
 
-## Copilot Coding Agent
-
-Copilot Coding Agent supports MCP integration through repository-level configuration, allowing it to access external tools and services. Unlike IDE-based MCP setups, the Coding Agent uses a JSON configuration stored in your repository settings on GitHub.com.
-
-Key differences for MCP with Coding Agent:
-- Configuration is managed at the repository level, not per-IDE
-- Supports local and remote MCP servers (with PAT authentication)
-- Includes built-in GitHub and Playwright MCP servers by default
-- Requires repository administrator access to configure
-
-For detailed setup instructions and examples, see [Extending Copilot coding agent with MCP](https://docs.github.com/en/copilot/how-tos/agents/copilot-coding-agent/extending-copilot-coding-agent-with-mcp).
-
 ## Visual Studio
 
 Requires Visual Studio 2022 version 17.14 or later.