remove redundant interface implementation

src/Discord.Net.Rest/Entities/Channels/RestTextChannel.cs

@@ -9,7 +9,7 @@ using Model = Discord.API.Channel;
 namespace Discord.Rest
 {
     [DebuggerDisplay(@"{DebuggerDisplay,nq}")]
-    public class RestTextChannel : RestGuildChannel, IRestMessageChannel, ITextChannel, INestedChannel
+    public class RestTextChannel : RestGuildChannel, IRestMessageChannel, ITextChannel
     {
         public string Topic { get; private set; }
         public ulong? CategoryId { get; private set; }

src/Discord.Net.Rest/Entities/Channels/RestVoiceChannel.cs

@@ -9,7 +9,7 @@ using Model = Discord.API.Channel;
 namespace Discord.Rest
 {
     [DebuggerDisplay(@"{DebuggerDisplay,nq}")]
-    public class RestVoiceChannel : RestGuildChannel, IVoiceChannel, IRestAudioChannel, INestedChannel
+    public class RestVoiceChannel : RestGuildChannel, IVoiceChannel, IRestAudioChannel
     {
         public int Bitrate { get; private set; }
         public int? UserLimit { get; private set; }

src/Discord.Net.WebSocket/Entities/Channels/SocketTextChannel.cs

@@ -11,7 +11,7 @@ using Model = Discord.API.Channel;
 namespace Discord.WebSocket
 {
     [DebuggerDisplay(@"{DebuggerDisplay,nq}")]
-    public class SocketTextChannel : SocketGuildChannel, ITextChannel, ISocketMessageChannel, INestedChannel
+    public class SocketTextChannel : SocketGuildChannel, ITextChannel, ISocketMessageChannel
     {
         private readonly MessageCache _messages;
 

src/Discord.Net.WebSocket/Entities/Channels/SocketVoiceChannel.cs

@@ -11,7 +11,7 @@ using Model = Discord.API.Channel;
 namespace Discord.WebSocket
 {
     [DebuggerDisplay(@"{DebuggerDisplay,nq}")]
-    public class SocketVoiceChannel : SocketGuildChannel, IVoiceChannel, ISocketAudioChannel, INestedChannel
+    public class SocketVoiceChannel : SocketGuildChannel, IVoiceChannel, ISocketAudioChannel
     {
         public int Bitrate { get; private set; }
         public int? UserLimit { get; private set; }