Disable obsolete warnings in files that reference TokenType.User

src/Discord.Net.Commands/Attributes/Preconditions/RequireOwnerAttribute.cs

@@ -1,4 +1,5 @@
-using System;
+#pragma warning disable CS0618
+using System;
 using System.Threading.Tasks;
 using Microsoft.Extensions.DependencyInjection;
 

src/Discord.Net.Rest/DiscordRestApiClient.cs

@@ -1,4 +1,5 @@
 #pragma warning disable CS1591
+#pragma warning disable CS0618
 using Discord.API.Rest;
 using Discord.Net;
 using Discord.Net.Converters;

src/Discord.Net.WebSocket/DiscordSocketClient.cs

@@ -1,4 +1,5 @@
-using Discord.API;
+#pragma warning disable CS0618
+using Discord.API;
 using Discord.API.Gateway;
 using Discord.Logging;
 using Discord.Net.Converters;

src/Discord.Net.WebSocket/Entities/Guilds/SocketGuild.cs

@@ -1,4 +1,5 @@
-using Discord.Audio;
+#pragma warning disable CS0618
+using Discord.Audio;
 using Discord.Rest;
 using System;
 using System.Collections.Concurrent;