Remove all emojis from markdown documentation

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

docs/FUNCTION_REFERENCE.md

@@ -80,8 +80,8 @@ function Get-PCType {
 - `$Hostname` (string) - Computer hostname
 
 **Pattern Matching**:
-- `H###` patterns → `M###` (H123 → M123)
-- `G###` patterns → `M###` (G456 → M456)
+- `H###` patterns  `M###` (H123  M123)
+- `G###` patterns  `M###` (G456  M456)
 - Regex: `[HG](\d{3})`
 
 **Returns**: `[string]` - Formatted machine number or `$null`
@@ -162,7 +162,7 @@ $response = Invoke-RestMethod -Uri $uri -Method Get -TimeoutSec 30
 
 **Payload Construction**: Creates comprehensive HTTP POST payload with structured data
 
-**Manufacturing Data Handling** ⭐ **Enhanced in v3.0**:
+**Manufacturing Data Handling**  **Enhanced in v3.0**:
 ```powershell
 # DualPath and Registry Architecture Data
 $postData.dncDualPathEnabled = $geInfo.DualPathEnabled
@@ -258,7 +258,7 @@ $dncConfig = @{
 
 ---
 
-#### `Get-GERegistryInfo` ⭐ **New in v3.0**
+#### `Get-GERegistryInfo`  **New in v3.0**
 **Purpose**: Comprehensive GE Aircraft Engines registry architecture analysis with DualPath detection  
 **Returns**: `[hashtable]` - Complete registry architecture and DualPath configuration