[Houdini] Remove all "backup" folders under RootPath

Remove-BackupFolders.ps1

# Remove all "backup" folders under RootPath (ASCII only - no encoding issues)
$RootPath = $PSScriptRoot

try {
    if (-not (Test-Path -Path $RootPath -PathType Container)) {
        Write-Host "Error: Path not found. [$RootPath]" -ForegroundColor Red
        exit 1
    }

    $backups = @(Get-ChildItem -Path $RootPath -Recurse -Directory -Filter "backup" -ErrorAction SilentlyContinue)

    if ($backups.Count -eq 0) {
        Write-Host "[$RootPath] No backup folder(s) found." -ForegroundColor Yellow
    } else {
        $backups | Remove-Item -Recurse -Force -ErrorAction Stop
        Write-Host "[$RootPath] Removed $($backups.Count) backup folder(s)." -ForegroundColor Green
    }
} catch {
    Write-Host "Error: $($_.Exception.Message)" -ForegroundColor Red
}