Use ILCompiler_publish.csproj to handle the publish flow like how we do with crossgen2.

Author: jkoritzinsky

eng/Subsets.props

@@ -388,10 +388,11 @@
     <!-- skip the architectures that don't have LKG runtime packs -->
     <ProjectToBuild Include="$(CoreClrProjectRoot)tools\aot\crossgen2\crossgen2_publish.csproj" Condition="'$(NativeAotSupported)' == 'true' and '$(StageOneBuild)' != 'true'" Category="clr" />
     <ProjectToBuild Include="$(CoreClrProjectRoot)tools\aot\ILCompiler.Build.Tasks\ILCompiler.Build.Tasks.csproj" Category="clr" Condition="'$(NativeAotSupported)' == 'true'" />
-    <ProjectToBuild Include="$(CoreClrProjectRoot)tools\aot\ILCompiler\ILCompiler.csproj" Category="clr" Condition="'$(NativeAotSupported)' == 'true' and '$(StageOneBuild)' != 'true'" />
+    <ProjectToBuild Include="$(CoreClrProjectRoot)tools\aot\ILCompiler\ILCompiler_publish.csproj" Category="clr" Condition="'$(NativeAotSupported)' == 'true' and '$(StageOneBuild)' != 'true'" />
     <ProjectToBuild Include="$(CoreClrProjectRoot)nativeaot\BuildIntegration\BuildIntegration.proj" Category="clr" Condition="'$(NativeAotSupported)' == 'true'" />
 
     <ProjectToBuild Include="$(CoreClrProjectRoot)tools\aot\ILCompiler\ILCompiler_inbuild.csproj" Category="clr" />
+    <ProjectToBuild Include="$(CoreClrProjectRoot)tools\aot\ILCompiler\ILCompiler.csproj" Category="clr" />
 
     <ProjectToBuild Include="$(CoreClrProjectRoot)tools\aot\crossgen2\crossgen2_inbuild.csproj" Category="clr" />
 

src/coreclr/tools/aot/ILCompiler/ILCompiler.csproj

@@ -5,14 +5,4 @@
   </PropertyGroup>
 
   <Import Project="ILCompiler.props" />
-
-  <PropertyGroup Condition="'$(BuildingInsideVisualStudio)' != 'true'">
-    <PublishDir>$(RuntimeBinDir)ilc-published/</PublishDir>
-  </PropertyGroup>
-
-  <Target Name="PublishCompiler"
-          Condition="'$(BuildingInsideVisualStudio)' != 'true'"
-          AfterTargets="Build"
-          DependsOnTargets="Publish" />
-
 </Project>