Update installation-guides.md

Author: D1M1TR10S

docs/installation-guides/installation-guides.md

@@ -54,7 +54,7 @@ The GitHub MCP Server can be installed using several methods. **Docker is the mo
 
 ## General Prerequisites
 
-All installations require:
+All installations with Personal Access Tokens (PAT) require:
 - **GitHub Personal Access Token (PAT)**: [Create one here](https://github.com/settings/personal-access-tokens/new)
 
 Optional (depending on installation method):
@@ -86,6 +86,4 @@ After installation, you may want to explore:
 - **Toolsets**: Enable/disable specific GitHub API capabilities
 - **Read-Only Mode**: Restrict to read-only operations
 - **Dynamic Tool Discovery**: Enable tools on-demand
-- **GitHub Enterprise**: Configuration for Enterprise Server or ghe.com
 
-See the main [README.md](README.md) for detailed configuration instructions.