Removing Owin package that is not needed

Author: InbarGazit

launcher-csharp/launcher-csharp.csproj

@@ -28,7 +28,6 @@
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
     <PackageReference Include="Microsoft.Extensions.Logging.Debug" Version="3.1.0-preview1.19506.1" />
-    <PackageReference Include="Microsoft.Owin" Version="4.1.1" />
     <PackageReference Include="Microsoft.VisualStudio.Web.CodeGeneration.Design" Version="3.1.4" />
   </ItemGroup>