Remove runtime directory binplacing

Directory.Build.props

@@ -291,7 +291,6 @@
 
     <TargetOutputRelPath Condition="'$(TargetGroup)'!=''">$(TargetGroup)/</TargetOutputRelPath>
 
-    <RuntimePath Condition="'$(RuntimePath)' == ''">$([MSBuild]::NormalizeDirectory('$(ArtifactsBinDir)', 'runtime', '$(BuildConfiguration)'))</RuntimePath>
     <RefRootPath>$([MSBuild]::NormalizeDirectory('$(ArtifactsBinDir)', 'ref'))</RefRootPath>
     <BuildConfigurationRefPath>$([MSBuild]::NormalizeDirectory('$(RefRootPath)', '$(_bc_TargetGroup)'))</BuildConfigurationRefPath>
     <BuildConfigurationRefPath Condition="$(_bc_TargetGroup.EndsWith('aot'))">$([MSBuild]::NormalizeDirectory('$(RefRootPath)', '$(_bc_TargetGroup.TrimEnd('aot'))'))</BuildConfigurationRefPath>
@@ -339,7 +338,11 @@
     <NETCoreAppTestHostFxrPath>$([MSBuild]::NormalizeDirectory('$(TestHostRootPath)', 'host', 'fxr', '$(ProductVersion)'))</NETCoreAppTestHostFxrPath>
     <NETCoreAppTestSharedFrameworkPath>$([MSBuild]::NormalizeDirectory('$(TestHostRootPath)', 'shared', 'Microsoft.NETCore.App', '$(ProductVersion)'))</NETCoreAppTestSharedFrameworkPath>
     <!-- For UAP, we'll produce the layout and hard-link this into each test's directory -->
-    <UAPTestSharedFrameworkPath>$(TestHostRootPath)UAPLayout</UAPTestSharedFrameworkPath>
+    <UAPTestSharedFrameworkPath>$([MSBuild]::NormalizeDirectory('$(TestHostRootPath)', 'UAPLayout'))</UAPTestSharedFrameworkPath>
+
+    <RuntimePath Condition="'$(_bc_TargetGroup)' == 'netcoreapp'">$(NETCoreAppTestSharedFrameworkPath)</RuntimePath>
+    <RuntimePath Condition="'$(_bc_TargetGroup)' == 'uap'">$(UAPTestSharedFrameworkPath)</RuntimePath>
+    <RuntimePath Condition="'$(_bc_TargetGroup)' == 'netfx'">$(TestHostRootPath)</RuntimePath>
   </PropertyGroup>
 
   <!--

Directory.Build.targets

@@ -47,14 +47,12 @@
     <IsNetFxNETStandardRef Condition="'$(IsNetFxNETStandardRef)' == ''">$(IsNetFxNETStandard)</IsNetFxNETStandardRef>
 
     <BinPlaceRef Condition="'$(BinPlaceRef)' == '' And ('$(IsReferenceAssembly)' == 'true' OR '$(IsRuntimeAndReferenceAssembly)' == 'true')">true</BinPlaceRef>
-    <BinPlaceRuntime Condition="'$(BinPlaceRuntime)' == '' And ('$(IsRuntimeAssembly)' == 'true' OR '$(IsRuntimeAndReferenceAssembly)' == 'true')">true</BinPlaceRuntime>
   </PropertyGroup>
 
   <ItemGroup Condition="'@(BinPlaceConfiguration)' == ''">
     <!-- binplace to directories for the target vertical -->
     <BinPlaceConfiguration Include="$(_bc_TargetGroup)-$(_bc_OSGroup)">
       <RefPath>$(BuildConfigurationRefPath)</RefPath>
-      <RuntimePath>$(RuntimePath)</RuntimePath>
     </BinPlaceConfiguration>
     <!-- binplace to directories for packages -->
     <BinPlaceConfiguration Condition="'$(IsNETCoreApp)' == 'true' AND '$(BuildingNETCoreAppVertical)' == 'true'" Include="netcoreapp-$(_bc_OSGroup)">