Delete workarounds for RuntimeInformation.OSArchitecture bugs (#79256)

This workaround is no longer needed after https://github.com/dotnet/runtime/pull/60910

diff --git a/src/coreclr/nativeaot/BuildIntegration/Microsoft.DotNet.ILCompiler.SingleEntry.targets b/src/coreclr/nativeaot/BuildIntegration/Microsoft.DotNet.ILCompiler.SingleEntry.targets
index 1b3d56e..be10c97 100644 (file)
--- a/src/coreclr/nativeaot/BuildIntegration/Microsoft.DotNet.ILCompiler.SingleEntry.targets
+++ b/src/coreclr/nativeaot/BuildIntegration/Microsoft.DotNet.ILCompiler.SingleEntry.targets
@@ -18,12 +18,6 @@
     <RuntimeIlcPackageName>runtime.$(OSIdentifier)-$(TargetArchitecture).Microsoft.DotNet.ILCompiler</RuntimeIlcPackageName>
 
     <OSHostArch>$([System.Runtime.InteropServices.RuntimeInformation]::OSArchitecture.ToString().ToLowerInvariant)</OSHostArch>
-    <!-- OSArchitecture does not report the true OS architecture for x86 and x64 processes running on Windows ARM64. -->
-    <!-- The following condition checks those cases. -->
-    <OSHostArch Condition="$([MSBuild]::IsOSPlatform('Windows')) and
-        $([System.Environment]::GetEnvironmentVariable('PROCESSOR_ARCHITECTURE', EnvironmentVariableTarget.Machine)) == 'ARM64'">arm64</OSHostArch>
-
-    <OSHostArch Condition="$([MSBuild]::IsOSPlatform('osx')) and '$(CrossBuild)' == 'true'">x64</OSHostArch>
 
     <IlcHostArch Condition="'$(IlcHostArch)' == ''">$(OSHostArch)</IlcHostArch>
     <IlcHostPackageName>runtime.$(OSIdentifier)-$(IlcHostArch).Microsoft.DotNet.ILCompiler</IlcHostPackageName>