update mac project

MediaBrowser.Server.Mac/Emby.Server.Mac.csproj

@@ -92,10 +92,6 @@
       <SpecificVersion>False</SpecificVersion>
       <HintPath>..\packages\Mono.Posix.4.0.0.0\lib\net40\Mono.Posix.dll</HintPath>
     </Reference>
-    <Reference Include="NLog, Version=4.0.0.0, Culture=neutral, PublicKeyToken=5120e14c03d0593c, processorArchitecture=MSIL">
-      <HintPath>..\packages\NLog.4.4.12\lib\net45\NLog.dll</HintPath>
-      <Private>True</Private>
-    </Reference>
     <Reference Include="ServiceStack.Text, Version=4.5.8.0, Culture=neutral, processorArchitecture=MSIL">
       <HintPath>..\packages\ServiceStack.Text.4.5.8\lib\net45\ServiceStack.Text.dll</HintPath>
       <Private>True</Private>