Update nuget.config from RepoStandards

src/NServiceBus.SqlServer.sln

@@ -12,7 +12,7 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Solution Items", "Solution
 		Scripts\Create-Databases.sql = Scripts\Create-Databases.sql
 		Directory.Build.props = Directory.Build.props
 		..\GitVersion.yml = ..\GitVersion.yml
-		NuGet.Config = NuGet.Config
+		nuget.config = nuget.config
 		Scripts\Reset-Database.sql = Scripts\Reset-Database.sql
 	EndProjectSection
 EndProject

src/nuget.config

@@ -1,20 +1,7 @@
-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <configuration>
-  <packageRestore>
-    <clear />
-    <add key="enabled" value="True" />
-    <add key="automatic" value="True" />
-  </packageRestore>
   <packageSources>
-    <add key="nuget.org" value="https://www.nuget.org/api/v2/" />
-    <add key="particular myget.org" value="https://www.myget.org/F/particular/" />
+    <add key="nuget.org" value="https://api.nuget.org/v3/index.json" />
+    <add key="particular myget.org" value="https://www.myget.org/F/particular/api/v3/index.json" />
   </packageSources>
-  <disabledPackageSources />
-  <config>
-    <add key="DependencyVersion" value="HighestMinor" />
-  </config>
-  <activePackageSource>
-    <clear />
-    <add key="All" value="(Aggregate source)" />
-  </activePackageSource>
-</configuration>
+</configuration>