Remove workaround now that the bootstrap SDK has the fix for the workaround.

Author: jkoritzinsky

eng/tools/GenerateFiles/Directory.Build.targets.in

@@ -80,8 +80,7 @@
       <DefaultRuntimeFrameworkVersion Condition=" '$(IsServicingBuild)' != 'true' AND
           '%(TargetFramework)' == '${DefaultNetCoreTargetFramework}' AND
           '$(TargetLatestDotNetRuntime)' != 'false' ">${MicrosoftNETCoreAppRuntimeVersion}</DefaultRuntimeFrameworkVersion>
-      <!-- Workaround https://github.com/dotnet/sdk/pull/45487: The .NET SDK requires the crossgen2 host runtime identifier to be in the runtime pack runtime identifiers list. -->
-      <RuntimePackRuntimeIdentifiers Condition="'$(DotNetBuild)' == 'true'">%(RuntimePackRuntimeIdentifiers);$(NETCoreSdkRuntimeIdentifier);$(TargetRuntimeIdentifier)</RuntimePackRuntimeIdentifiers>
+      <RuntimePackRuntimeIdentifiers Condition="'$(DotNetBuild)' == 'true'">%(RuntimePackRuntimeIdentifiers);$(TargetRuntimeIdentifier)</RuntimePackRuntimeIdentifiers>
     </KnownFrameworkReference>
 
     <KnownAppHostPack Update="Microsoft.NETCore.App">