Update nuget.config

Author: kitUIN

nuget.config

@@ -6,6 +6,5 @@
     <add key="MainLatest" value="https://pkgs.dev.azure.com/dotnet/CommunityToolkit/_packaging/CommunityToolkit-MainLatest/nuget/v3/index.json" protocolVersion="3" />
     <add key="LabsFeed" value="https://pkgs.dev.azure.com/dotnet/CommunityToolkit/_packaging/CommunityToolkit-Labs/nuget/v3/index.json" protocolVersion="3" />
     <add key="ShadowLocal" value="..\NugetPackages" />
-    <add key="ShadowLocal2" value="..\..\NugetPackages" />
   </packageSources>
 </configuration>