Remove readme.md from test project file

Author: Mafii

CompositionRoot.Test/CompositionRoot.Test.csproj

@@ -13,9 +13,6 @@
         <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
         <GenerateDocumentationFile>true</GenerateDocumentationFile>
     </PropertyGroup>
-    <ItemGroup>
-        <AdditionalFiles Include="readme.md" />
-    </ItemGroup>
     <ItemGroup>
         <ProjectReference Include="..\CompositionRoot\CompositionRoot.csproj" />
     </ItemGroup>