Remove ld_classic in 16+ (#110542)

* Remove ld_class in 16+

* Update src/coreclr/nativeaot/BuildIntegration/Microsoft.NETCore.Native.Unix.targets

Co-authored-by: Jan Kotas <jkotas@microsoft.com>

---------

Co-authored-by: Jan Kotas <jkotas@microsoft.com>

Author: agocke

src/coreclr/nativeaot/BuildIntegration/Microsoft.NETCore.Native.Unix.targets

@@ -284,7 +284,7 @@ The .NET Foundation licenses this file to you under the MIT license.
     </PropertyGroup>
 
     <ItemGroup Condition="'$(UseLdClassicXCodeLinker)' != 'false' and '$(_IsApplePlatform)' == 'true'">
-      <CustomLinkerArg Condition="'$(_XcodeVersion)' &gt;= '15'" Include="-ld_classic" />
+      <CustomLinkerArg Condition="'$(_XcodeVersion)' == '15'" Include="-ld_classic" />
     </ItemGroup>
 
     <PropertyGroup>