Removed unused dependencies (#37)

Author: Shaun Tabone

src/Orleans.Clustering.Kubernetes/Orleans.Clustering.Kubernetes.csproj

@@ -23,7 +23,6 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.Extensions.Options.ConfigurationExtensions" Version="3.1.1" />
     <PackageReference Include="Microsoft.Orleans.Core" Version="3.0.2" />
     <PackageReference Include="Microsoft.Orleans.OrleansRuntime" Version="3.0.2" />
   </ItemGroup>