Remove unnecessary usings

Apollo/Binary/Encoder.cs

@@ -5,8 +5,6 @@
 using System.Linq;
 using System.Reflection;
 
-using Microsoft.CSharp.RuntimeBinder;
-
 using Apollo.Components;
 using Apollo.Core;
 using Apollo.Devices;

Apollo/Devices/Delay.cs

@@ -1,10 +1,8 @@
 using System.Collections.Generic;
-using System.Linq;
 using System.IO;
 
 using Apollo.DeviceViewers;
 using Apollo.Elements;
-using Apollo.Helpers;
 using Apollo.Rendering;
 using Apollo.Structures;
 using Apollo.Undo;

Apollo/Devices/Hold.cs

@@ -5,7 +5,6 @@
 
 using Apollo.DeviceViewers;
 using Apollo.Elements;
-using Apollo.Helpers;
 using Apollo.Rendering;
 using Apollo.Structures;
 using Apollo.Undo;

Apollo/Devices/Layer.cs

@@ -1,6 +1,5 @@
 using System.Collections.Generic;
 using System.IO;
-using System.Linq;
 
 using Apollo.DeviceViewers;
 using Apollo.Elements;

Apollo/Devices/Loop.cs

@@ -1,4 +1,3 @@
-using System;
 using System.Collections.Concurrent;
 using System.Collections.Generic;
 using System.IO;

Apollo/Devices/Tone.cs

@@ -1,6 +1,5 @@
 using System.Collections.Generic;
 using System.IO;
-using System.Linq;
 
 using Apollo.DeviceViewers;
 using Apollo.Elements;

Apollo/Elements/Track.cs

@@ -1,12 +1,10 @@
 using System.Collections.Generic;
-using System.IO;
 
 using Apollo.Core;
 using Apollo.Devices;
 using Apollo.Selection;
 using Apollo.Structures;
 using Apollo.Rendering;
-using Apollo.Undo;
 using Apollo.Viewers;
 using Apollo.Windows;
 

Apollo/Rendering/Screen.cs

@@ -1,6 +1,5 @@
 using System;
 using System.Collections.Generic;
-using System.Linq;
 
 using Apollo.Enums;
 using Apollo.Structures;