Removed unused usings

editor/App.xaml.cs

@@ -1,5 +1,4 @@
-using System;
-using System.Windows;
+using System.Windows;
 
 namespace LanguageEditor
 {

editor/Controls/LanguageControl.xaml.cs

@@ -1,5 +1,4 @@
-using System;
-using System.Windows.Controls;
+using System.Windows.Controls;
 
 namespace LanguageEditor
 {

editor/MainWindow.xaml.cs

@@ -1,5 +1,4 @@
-using System;
-using System.Windows;
+using System.Windows;
 
 namespace LanguageEditor
 {

editor/Model/LanguageFile.cs

@@ -1,5 +1,4 @@
-using System;
-using System.Collections.ObjectModel;
+using System.Collections.ObjectModel;
 using System.Xml;
 
 namespace LanguageEditor

editor/Model/LanguageString.cs

@@ -1,5 +1,4 @@
-using System;
-using System.Xml;
+using System.Xml;
 
 namespace LanguageEditor
 {

editor/Model/NotifyObject.cs

@@ -1,5 +1,4 @@
-using System;
-using System.ComponentModel;
+using System.ComponentModel;
 
 namespace LanguageEditor
 {

editor/Properties/AssemblyInfo.cs

@@ -1,5 +1,4 @@
-using System;
-using System.Reflection;
+using System.Reflection;
 using System.Runtime.InteropServices;
 using System.Windows;