docs: update cmdlet help via platyPS merge, fix generate-help.ps1

- generate-help.ps1: rewritten to use Update-MarkdownHelp (merge) by
  default, preserving hand-written descriptions and examples. Only
  New-MarkdownHelp on genuinely new cmdlets. -Force flag for full regen.
- docs/cmdlets: parameter metadata updated via platyPS merge, CRLF
  normalized to LF
- Removed stale Send-PveIso.md (cmdlet renamed to Send-PveFile)

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

docs/cmdlets/Remove-PveSdnController.md

@@ -29,13 +29,28 @@ PS C:\> Remove-PveSdnController -Controller "example"
 
 ## PARAMETERS
 
+### -Confirm
+Prompts you for confirmation before running the cmdlet.
+
+```yaml
+Type: SwitchParameter
+Parameter Sets: (All)
+Aliases: cf
+
+Required: False
+Position: Named
+Default value: None
+Accept pipeline input: False
+Accept wildcard characters: False
+```
+
 ### -Controller
 The controller identifier to remove.
 
 ```yaml
 Type: String
 Parameter Sets: (All)
-Aliases: 
+Aliases:
 
 Required: True
 Position: 0
@@ -74,21 +89,6 @@ Accept pipeline input: False
 Accept wildcard characters: False
 ```
 
-### -Confirm
-Prompts you for confirmation before running the cmdlet.
-
-```yaml
-Type: SwitchParameter
-Parameter Sets: (All)
-Aliases: cf
-
-Required: False
-Position: Named
-Default value: None
-Accept pipeline input: False
-Accept wildcard characters: False
-```
-
 ### -ProgressAction
 {{ Fill ProgressAction Description }}
 
@@ -107,7 +107,6 @@ Accept wildcard characters: False
 ### CommonParameters
 This cmdlet supports the common parameters: -Debug, -ErrorAction, -ErrorVariable, -InformationAction, -InformationVariable, -OutVariable, -OutBuffer, -PipelineVariable, -Verbose, -WarningAction, and -WarningVariable. For more information, see [about_CommonParameters](http://go.microsoft.com/fwlink/?LinkID=113216).
 
-
 ## INPUTS
 
 ### System.String