Clean up project file by removing empty ItemGroup

Removed an empty ItemGroup in the project file.

Author: berviantoleo

BervProject.WebApi.Boilerplate.AppHost/BervProject.WebApi.Boilerplate.AppHost.csproj

@@ -16,9 +16,6 @@
     <PackageReference Include="Aspire.Hosting.Azure.Storage" Version="13.1.0" />
     <PackageReference Include="Aspire.Hosting.PostgreSQL" Version="13.1.0" />
     <PackageReference Include="Aspire.Hosting.Redis" Version="13.1.0" />
-  </ItemGroup>
-
-  <ItemGroup>
     <PackageReference Include="KubernetesClient" Version="18.0.13" />
     <ProjectReference Include="..\BervProject.WebApi.Boilerplate\BervProject.WebApi.Boilerplate.csproj" />
     <ProjectReference Include="..\BervProject.WebApi.Boilerplate.MigrationService\BervProject.WebApi.Boilerplate.MigrationService.csproj" />