Clean up usings

Author: awaescher

Fusion++/ItemDetailForm.cs

@@ -1,15 +1,8 @@
 using DevExpress.XtraEditors;
-using EasyScintilla.Stylers;
 using FusionPlusPlus.Model;
-using ScintillaNET;
 using System;
-using System.Collections.Generic;
-using System.ComponentModel;
 using System.Data;
-using System.Drawing;
 using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
 using System.Windows.Forms;
 
 namespace FusionPlusPlus