Remove excessive emoji from README headers

Clean up README by removing emoji from most section headers while keeping them only in key navigation sections (Quick Start, Installation, Usage Examples) for better professional appearance.

Author: franklupo

README.md

@@ -33,7 +33,7 @@ For licensing details please visit [LICENSE](LICENSE)
 This software is part of a suite of tools called cv4pve-api-powershell.
 If you require commercial support, please visit the [Corsinvest website](https://www.corsinvest.it/cv4pve)
 
-## 📚 Overview
+## Overview
 
 The **cv4pve-api-powershell** module enables system administrators and developers to manage and automate Proxmox VE environments using PowerShell.
 
@@ -82,7 +82,7 @@ This module serves as the **PowerCLI equivalent for Proxmox VE**:
 * **Interactive Tutorials** - VSCode notebook tutorials available
 * **Open Source** - Full source code available on GitHub
 
-## 🛠️ Utility Functions
+## Utility Functions
 
 The module includes a rich set of utility cmdlets to simplify common operations:
 
@@ -123,7 +123,7 @@ Comprehensive documentation is available in multiple formats:
 * **[HTML Documentation](https://corsinvest.github.io/cv4pve-api-powershell/)** - Full API reference in HTML format
 * **[Markdown Documentation](https://github.com/Corsinvest/cv4pve-api-powershell/blob/master/doc/markdown/about_cv4pve-api-powershell.md)** - Documentation in Markdown format
 
-## 🎓 Tutorial & Learning Resources
+## Tutorial & Learning Resources
 
 * **[Interactive VSCode Notebook Tutorial](https://tinyurl.com/cv4pve-api-pwsh-learn)** - Learn by doing with interactive examples
 * **[Common Issues & Examples](https://corsinvest.github.io/cv4pve-api-powershell/common-issues.html)** - Practical solutions to common problems and advanced examples
@@ -162,7 +162,7 @@ To view your module paths:
 $env:PSModulePath -split [IO.Path]::PathSeparator
 ```
 
-##  Documentation
+## Documentation
 
 **Need help getting started or troubleshooting issues?**
 
@@ -329,7 +329,7 @@ $isRunning = Get-PveTaskIsRunning -Node pve1 -Upid $taskId
 # Output: True/False
 ```
 
-## 🔧 Advanced Features
+## Advanced Features
 
 ### PveResponse Class