Remove obsolete members for v2.0 (#519)

Author: twsouthwick

src/Microsoft.AspNetCore.SystemWebAdapters.CoreServices/SessionAttribute.cs

@@ -9,44 +9,9 @@ namespace Microsoft.AspNetCore.SystemWebAdapters;
 [AttributeUsage(AttributeTargets.Class | AttributeTargets.Method)]
 public sealed class SessionAttribute : Attribute
 {
-    [Obsolete("Prefer SessionBehavior instead.")]
-    public SessionBehavior Behavior
-    {
-        get
-        {
-            if (SessionBehavior is SessionStateBehavior.Disabled)
-            {
-                return SystemWebAdapters.SessionBehavior.None;
-            }
-
-            return IsPreLoad ? SystemWebAdapters.SessionBehavior.Preload : SystemWebAdapters.SessionBehavior.OnDemand;
-        }
-        set
-        {
-            SessionBehavior = value switch
-            {
-                SystemWebAdapters.SessionBehavior.None => SessionStateBehavior.Disabled,
-                SystemWebAdapters.SessionBehavior.Preload => SessionStateBehavior.Required,
-                SystemWebAdapters.SessionBehavior.OnDemand => SessionStateBehavior.Required,
-                _ => throw new ArgumentOutOfRangeException(nameof(value)),
-            };
-        }
-    }
-
     public SessionStateBehavior SessionBehavior { get; set; } = SessionStateBehavior.Required;
 
     public bool IsPreLoad { get; set; } = true;
 
-    public bool IsReadOnly
-    {
-        get => SessionBehavior is SessionStateBehavior.ReadOnly;
-        [Obsolete("Prefer SessionBehavior property")]
-        set
-        {
-            if (value)
-            {
-                SessionBehavior = SessionStateBehavior.ReadOnly;
-            }
-        }
-    }
+    public bool IsReadOnly => SessionBehavior is SessionStateBehavior.ReadOnly;
 }

src/Microsoft.AspNetCore.SystemWebAdapters.CoreServices/SessionBehavior.cs

@@ -2,7 +2,6 @@
 // The .NET Foundation licenses this file to you under the MIT license.
 
 using System;
-using System.ComponentModel;
 using Microsoft.AspNetCore.Builder;
 using Microsoft.AspNetCore.SystemWebAdapters;
 using Microsoft.AspNetCore.SystemWebAdapters.SessionState.Serialization;
@@ -11,13 +10,8 @@
 
 namespace Microsoft.Extensions.DependencyInjection;
 
-public static class ISystemWebAdapterBuilderSessionExtensions
+public static class WrappedSessionExtensions
 {
-    [Obsolete("Prefer AddWrappedAspNetCoreSession instead")]
-    [EditorBrowsable(EditorBrowsableState.Never)]
-    public static ISystemWebAdapterBuilder WrapAspNetCoreSession(this ISystemWebAdapterBuilder builder, Action<SessionOptions>? options = null)
-        => builder.AddWrappedAspNetCoreSession(options);
-
     public static ISystemWebAdapterBuilder AddWrappedAspNetCoreSession(this ISystemWebAdapterBuilder builder, Action<SessionOptions>? options = null)
     {
         ArgumentNullException.ThrowIfNull(builder);