Downgrade MongoDB to 2.10.4

Packages.props

@@ -11,8 +11,8 @@
     <PackageReference Update="Microsoft.NETFramework.ReferenceAssemblies" Version="1.0.0" />
     <PackageReference Update="Microsoft.Owin.Security" Version="4.1.1" />
     <PackageReference Update="Microsoft.Owin.Testing" Version="4.1.1" />
-    <PackageReference Update="MongoDB.Bson" Version="2.11.5" />
-    <PackageReference Update="MongoDB.Driver" Version="2.11.5" />
+    <PackageReference Update="MongoDB.Bson" Version="2.10.4" />
+    <PackageReference Update="MongoDB.Driver" Version="2.10.4" />
     <PackageReference Update="Moq" Version="4.15.2" />
     <PackageReference Update="Portable.BouncyCastle" Version="1.8.9" />
     <PackageReference Update="Quartz.Extensions.DependencyInjection" Version="3.2.3" />