Mark API as unsupported

Author: agocke

xml/System.Reflection/Assembly.xml

@@ -5061,20 +5061,15 @@ The ability to execute code in remote assemblies is disabled. See <see href="htt
         <param name="hashAlgorithm">The hash algorithm used for hashing files and for generating the strong name.</param>
         <summary>Loads an assembly given its file name or path, hash value, and hash algorithm.</summary>
         <returns>The loaded assembly.</returns>
-        <remarks FrameworkAlternate="netcore-2.0;netcore-2.1;netcore-2.2;netcore-3.0;net-5.0;net-6.0;net-7.0;net-8.0;net-9.0">
+        <remarks>
           <format type="text/markdown"><![CDATA[
 
 ## Remarks
 
-This API is present in .NET Core for compatibility, but it is recommended to use <xref:System.Reflection.AssemblyLoadContext> overloads in .NET Core 2.0 and later.
+ This API is not supported in .NET Core 2.0 or later. It will always throw <xref:System.NotSupportedException>.
 
-The assembly is loaded into the default AssemblyLoadContext.
-]]></format>
-        </remarks>
-        <remarks FrameworkAlternate="netframework-1.1;netframework-2.0;netframework-3.0;netframework-3.5;netframework-4.0;netframework-4.5;netframework-4.5.1;netframework-4.5.2;netframework-4.6;netframework-4.6.1;netframework-4.6.2;netframework-4.7;netframework-4.7.1;netframework-4.7.2;netframework-4.8;netstandard-2.0;netstandard-2.1netframework-4.8.1">
-          <format type="text/markdown"><![CDATA[
+ The assembly is loaded into the default AssemblyLoadContext.
 
-## Remarks
  The `assemblyFile` parameter must refer to a URI without escape characters. This method supplies escape characters for all invalid characters in the URI.
 
 > [!NOTE]