Cleanup: Remove unused using statements and delegate

With the removal of the private `GetValue()` method (#f92afc2), a lot of complexity was removed from the `SqlDataReaderExtensions` class. This removes the need for a number of dependencies, as well as the `TryParse` delegate.

Author: JeremyCaney

OnTopic.Data.Sql/SqlDataReaderExtensions.cs

@@ -4,10 +4,7 @@
 | Project       Topics Library
 \=============================================================================================================================*/
 using System;
-using System.Data;
-using System.Text;
 using Microsoft.Data.SqlClient;
-using OnTopic.Internal.Diagnostics;
 
 namespace OnTopic.Data.Sql {
 
@@ -19,11 +16,6 @@ namespace OnTopic.Data.Sql {
   /// </summary>
   internal static class SqlDataReaderExtensions {
 
-    /*==========================================================================================================================
-    | DELEGATE: TRY PARSE
-    \-------------------------------------------------------------------------------------------------------------------------*/
-    public delegate bool TryParse<in String, U, out Boolean>(String input, out U output);
-
     /*==========================================================================================================================
     | METHOD: GET INTEGER
     \-------------------------------------------------------------------------------------------------------------------------*/