Move aspnetcore's buildpass2 trigger to the root repo

Author: jkoritzinsky

src/SourceBuild/content/repo-projects/dotnet.proj

@@ -24,4 +24,9 @@
     <RepositoryReference Include="sdk" DotNetBuildPass="2" />
   </ItemGroup>
 
+  <!-- Build the ASP.NET Core hosting bundle -->
+  <ItemGroup Condition="'$(DotNetBuildPass)' == '2' and '$(TargetOS)' == 'windows' and '$(TargetArchitecture)' == 'x64'">
+    <RepositoryReference Include="aspnetcore" DotNetBuildPass="2" />
+  </ItemGroup>
+
 </Project>

src/SourceBuild/content/repo-projects/sdk.proj

@@ -65,10 +65,6 @@
     <RepositoryReference Include="source-build-reference-packages" />
   </ItemGroup>
 
-  <ItemGroup Condition="'$(DotNetBuildPass)' == '2' and '$(TargetOS)' == 'windows' and '$(TargetArchitecture)' == 'x64'">
-    <RepositoryReference Include="aspnetcore" DotNetBuildPass="2" />
-  </ItemGroup>
-
   <!--
     If we have authentication, keep the templating internal feed (if one exists) to acquire the
     text-only prebuilt. The source-build repo as a whole should depend on the same internal feed as