removing myget dependencies (#3417)

Author: brettsam

NuGet.Config

@@ -2,12 +2,10 @@
 <configuration>
   <packageSources>
     <add key="nuget.org" value="https://api.nuget.org/v3/index.json" />
-    <add key="azure_app_service" value="https://www.myget.org/F/azure-appservice/api/v3/index.json" />
-    <add key="azure_app_service_staging" value="https://www.myget.org/F/azure-appservice-staging/api/v3/index.json" />
     <add key="Microsoft.Azure.Functions.PowerShellWorker" value="https://azfunc.pkgs.visualstudio.com/e6a70c92-4128-439f-8012-382fe78d6396/_packaging/Microsoft.Azure.Functions.PowerShellWorker/nuget/v3/index.json" />
     <add key="AzureFunctions" value="https://azfunc.pkgs.visualstudio.com/e6a70c92-4128-439f-8012-382fe78d6396/_packaging/AzureFunctions/nuget/v3/index.json" />
     <add key="AzureFunctionsRelease" value="https://azfunc.pkgs.visualstudio.com/e6a70c92-4128-439f-8012-382fe78d6396/_packaging/AzureFunctionsRelease/nuget/v3/index.json" />
     <add key="AzureFunctionsPreRelease" value="https://azfunc.pkgs.visualstudio.com/e6a70c92-4128-439f-8012-382fe78d6396/_packaging/AzureFunctionsPreRelease/nuget/v3/index.json" />
     <add key="AzureFunctionsTempStaging" value="https://azfunc.pkgs.visualstudio.com/e6a70c92-4128-439f-8012-382fe78d6396/_packaging/AzureFunctionsTempStaging/nuget/v3/index.json" />
   </packageSources>
-</configuration>
+</configuration>