Modify logger project to remove stale class

src/Diagnostics.Logger/Diagnostics.Logger.csproj

@@ -8,10 +8,6 @@
     <AllowUnsafeBlocks>false</AllowUnsafeBlocks>
   </PropertyGroup>
 
-  <ItemGroup>
-    <Compile Remove="Class1.cs" />
-  </ItemGroup>
-
   <ItemGroup>
     <PackageReference Include="Microsoft.AspNetCore.Http.Features" Version="2.0.1" />
   </ItemGroup>