Update reference assembles to 1.0.0 (#5494)

* Update reference assembles to 1.0.0

* Remove stale nuget.config files

frameworks/CSharp/aspnetcore-mono/Benchmarks/Benchmarks.csproj

@@ -27,6 +27,6 @@
     <PackageReference Include="MySqlConnector" Version="0.62.0-beta5" />
     <PackageReference Include="Npgsql" Version="4.0.4" />
     <PackageReference Include="Npgsql.EntityFrameworkCore.PostgreSQL" Version="2.2.0" />
-    <PackageReference Include="Microsoft.NETFramework.ReferenceAssemblies" Version="1.0.0-preview.2"/>
+    <PackageReference Include="Microsoft.NETFramework.ReferenceAssemblies" Version="1.0.0"/>
   </ItemGroup>
 </Project>

frameworks/CSharp/aspnetcore-mono/Benchmarks/NuGet.Config

@@ -1,8 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<configuration>
-  <packageSources>
-    <clear />
-    <add key="NuGet" value="https://api.nuget.org/v3/index.json" />
-    <add key="aspnetcore" value="https://dotnet.myget.org/F/aspnetcore-dev/api/v3/index.json" />
-  </packageSources>
-</configuration>

frameworks/CSharp/aspnetcore-mono/PlatformBenchmarks/NuGet.Config

@@ -1,8 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<configuration>
-  <packageSources>
-    <clear />
-    <add key="NuGet" value="https://api.nuget.org/v3/index.json" />
-    <add key="aspnetcore" value="https://dotnet.myget.org/F/aspnetcore-dev/api/v3/index.json" />
-  </packageSources>
-</configuration>

frameworks/CSharp/aspnetcore-mono/PlatformBenchmarks/PlatformBenchmarks.csproj

@@ -17,7 +17,7 @@
     <PackageReference Include="Utf8Json" Version="1.3.7" />
     <PackageReference Include="Npgsql" Version="4.0.4" />
     <PackageReference Include="MySqlConnector" Version="0.62.0-beta5" />
-    <PackageReference Include="Microsoft.NETFramework.ReferenceAssemblies" Version="1.0.0-preview.2"/>
+    <PackageReference Include="Microsoft.NETFramework.ReferenceAssemblies" Version="1.0.0"/>
   </ItemGroup>
   
 </Project>

frameworks/CSharp/nancy/src/NancyBenchmark.csproj

@@ -39,7 +39,7 @@
     <PackageReference Include="Microsoft.Extensions.Configuration.Json" Version="2.1.0" />
     <PackageReference Include="Microsoft.Extensions.Options.ConfigurationExtensions" Version="2.1.0" />
     <PackageReference Include="Microsoft.AspNetCore.Owin" Version="2.1.0" />
-    <PackageReference Include="Microsoft.NETFramework.ReferenceAssemblies" Version="1.0.0-preview.2"/>
+    <PackageReference Include="Microsoft.NETFramework.ReferenceAssemblies" Version="1.0.0"/>
   </ItemGroup>
 
-</Project>
+</Project>