Undo virtual properties

Author: elinor-fung

xml/System.Reflection/Assembly.xml

@@ -3628,11 +3628,7 @@ This property is marked obsolete starting in .NET 5, and generates a compile-tim
       </ReturnValue>
       <Docs>
         <summary>Gets the host context with which the assembly was loaded.</summary>
-        <value>
-          .NET Framework only: An <see cref="T:System.Int64" /> value that indicates the host context with which the assembly was loaded, if any.
-
-          .NET Core and .NET 5+: 0 in all cases.
-        </value>
+        <value>An <see cref="T:System.Int64" /> value that indicates the host context with which the assembly was loaded, if any.</value>
         <remarks>To be added.</remarks>
       </Docs>
     </Member>
@@ -6330,11 +6326,7 @@ In .NET 5 and later versions, for bundled assemblies, the value returned is an e
       </ReturnValue>
       <Docs>
         <summary>Gets a value that indicates which set of security rules the common language runtime (CLR) enforces for this assembly.</summary>
-        <value>
-          .NET Framework only: The security rule set that the CLR enforces for this assembly.
-
-          .NET Core and .NET 5+: <see cref="E:System.Security.SecurityRuleSet.None" /> in all cases.
-        </value>
+        <value>The security rule set that the CLR enforces for this assembly.</value>
         <remarks>
           <format type="text/markdown"><![CDATA[