Example of deleting folders with MSBuild

example.csproj

<Project Sdk="Microsoft.NET.Sdk">
  <Target Name="CleanupDashDirs" AfterTargets="Publish">
    <ItemGroup>
      <DashFiles Include="$(PublishDir)..\**\*-*\**" Exclude="**\*en-us*\**" />
      <DashDirs Include="@(DashFiles->'%(RootDir)%(Directory)')" />
      <!-- Remove duplicates -->
      <UniqueDashDirs Include="@(DashDirs->Distinct())" />
    </ItemGroup>
    <Message Importance="High" Text="PublishDir = $(PublishDir)" />
    <Message 
      Importance="High" 
      Text="🗑️ CleanupDashDirs: will remove these dirs -> @(UniqueDashDirs)" />
    <RemoveDir Directories="@(UniqueDashDirs)" />
  </Target>
</Project>