Revert "Update GitHub.TeamFoundation.16 to target .NET 4.7.2"

This reverts commit 1a0456d.

Author: jcansdale

src/GitHub.TeamFoundation.16/GitHub.TeamFoundation.16.csproj

@@ -12,7 +12,7 @@
     <RootNamespace>GitHub.TeamFoundation</RootNamespace>
     <AssemblyName>GitHub.TeamFoundation.16</AssemblyName>
     <LangVersion>7.3</LangVersion>
-    <TargetFrameworkVersion>v4.7.2</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.6</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
     <CodeAnalysisIgnoreGeneratedCode>true</CodeAnalysisIgnoreGeneratedCode>
     <NuGetPackageImportStamp>

src/GitHub.VisualStudio/GitHub.VisualStudio.csproj

@@ -166,11 +166,6 @@
     </EmbeddedResource>
   </ItemGroup>
   <ItemGroup>
-    <Content Include="..\GitHub.TeamFoundation.16\obj\$(Configuration)\GitHub.TeamFoundation.16.dll">
-      <Link>GitHub.TeamFoundation.16.dll</Link>
-      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
-      <IncludeInVSIX>true</IncludeInVSIX>
-    </Content>
     <Content Include="Resources\logo_128x128.png">
       <IncludeInVSIX>true</IncludeInVSIX>
     </Content>
@@ -188,6 +183,9 @@
       <CustomToolNamespace>GitHub.VisualStudio.Settings</CustomToolNamespace>
       <LastGenOutput>PackageSettingsGen.cs</LastGenOutput>
     </Content>
+    <None Include="packages.config">
+      <SubType>Designer</SubType>
+    </None>
     <None Include="..\common\settings.json">
       <Link>Properties\settings.json</Link>
     </None>
@@ -397,6 +395,12 @@
       <IncludeOutputGroupsInVSIX>BuiltProjectOutputGroup;GetCopyToOutputDirectoryItems;DebugSymbolsProjectOutputGroup;</IncludeOutputGroupsInVSIX>
       <IncludeOutputGroupsInVSIXLocalOnly>DebugSymbolsProjectOutputGroup;</IncludeOutputGroupsInVSIXLocalOnly>
     </ProjectReference>
+    <ProjectReference Include="..\GitHub.TeamFoundation.16\GitHub.TeamFoundation.16.csproj">
+      <Project>{F08BD4BC-B5DF-4193-9B01-6D0BBE101BD7}</Project>
+      <Name>GitHub.TeamFoundation.16</Name>
+      <IncludeOutputGroupsInVSIX>BuiltProjectOutputGroup;GetCopyToOutputDirectoryItems;DebugSymbolsProjectOutputGroup;</IncludeOutputGroupsInVSIX>
+      <IncludeOutputGroupsInVSIXLocalOnly>DebugSymbolsProjectOutputGroup;</IncludeOutputGroupsInVSIXLocalOnly>
+    </ProjectReference>
     <ProjectReference Include="..\GitHub.UI.Reactive\GitHub.UI.Reactive.csproj">
       <Project>{158b05e8-fdbc-4d71-b871-c96e28d5adf5}</Project>
       <Name>GitHub.UI.Reactive</Name>

src/GitHub.VisualStudio/source.extension.vsixmanifest

@@ -31,7 +31,7 @@
     <Asset Type="Microsoft.VisualStudio.MefComponent" d:Source="Project" d:ProjectName="GitHub.Services.Vssdk" Path="|GitHub.Services.Vssdk|" />
     <Asset Type="Microsoft.VisualStudio.MefComponent" d:Source="Project" d:ProjectName="GitHub.TeamFoundation.14" TargetVersion="[14.0,15.0)" Path="|GitHub.TeamFoundation.14|" />
     <Asset Type="Microsoft.VisualStudio.MefComponent" d:Source="Project" d:ProjectName="GitHub.TeamFoundation.15" TargetVersion="[15.0,16.0)" Path="|GitHub.TeamFoundation.15|" />
-    <Asset Type="Microsoft.VisualStudio.MefComponent" d:Source="File" TargetVersion="[16.0,17.0)" Path="GitHub.TeamFoundation.16.dll" />
+    <Asset Type="Microsoft.VisualStudio.MefComponent" d:Source="Project" d:ProjectName="GitHub.TeamFoundation.16" TargetVersion="[16.0,17.0)" Path="|GitHub.TeamFoundation.16|" />
     <!-- Sometimes the version of `ServiceHub.VSDetouredHost.exe` is used when installing for Visual Studio 2017, see https://github.com/github/VisualStudio/pull/1875 -->
     <Asset Type="Microsoft.VisualStudio.MefComponent" d:Source="Project" d:ProjectName="GitHub.TeamFoundation.15" TargetVersion="[1.0,2.0)" Path="|GitHub.TeamFoundation.15|" />
     <Asset Type="Microsoft.VisualStudio.VsPackage" d:Source="Project" d:ProjectName="GitHub.InlineReviewsPackage" Path="|GitHub.InlineReviews;PkgdefProjectOutputGroup|" />