Removes unused classes

src/Tgstation.Server.Host/Security/OAuth/TGBaseResponse.cs

@@ -1,23 +0,0 @@
-namespace Tgstation.Server.Host.Security.OAuth
-{
-	/// <summary>
-	/// Base <see langword="class"/> for tgstation forum responses.
-	/// </summary>
-	abstract class TGBaseResponse
-	{
-		/// <summary>
-		/// Expected value of <see cref="Status"/>.
-		/// </summary>
-		public const string OkStatus = "OK";
-
-		/// <summary>
-		/// The response status.
-		/// </summary>
-		public string Status { get; set; }
-
-		/// <summary>
-		/// The response error, if any.
-		/// </summary>
-		public string Error { get; set; }
-	}
-}

src/Tgstation.Server.Host/Security/OAuth/TGCreateSessionResponse.cs

@@ -1,18 +0,0 @@
-namespace Tgstation.Server.Host.Security.OAuth
-{
-	/// <summary>
-	/// Response when creating a tgstation forums session.
-	/// </summary>
-	sealed class TGCreateSessionResponse : TGBaseResponse
-	{
-		/// <summary>
-		/// The session's private token. Similar to OAuth authorization response code.
-		/// </summary>
-		public string SessionPrivateToken { get; set; }
-
-		/// <summary>
-		/// The session's public token. Barely similar to OAuth client ID.
-		/// </summary>
-		public string SessionPublicToken { get; set; }
-	}
-}

src/Tgstation.Server.Host/Security/OAuth/TGGetSessionInfoResponse.cs

@@ -1,13 +0,0 @@
-namespace Tgstation.Server.Host.Security.OAuth
-{
-	/// <summary>
-	/// Response when getting tgstation forum user's info.
-	/// </summary>
-	sealed class TGGetSessionInfoResponse : TGBaseResponse
-	{
-		/// <summary>
-		/// The user's forum account name.
-		/// </summary>
-		public string PhpbbUsername { get; set; }
-	}
-}