Move AvoidUnusedPrivateFields out of global

Author: jcansdale

src/GitHub.Exports.Reactive/GlobalSuppressions.cs

@@ -1,11 +1,9 @@
 using System;
 using System.Diagnostics.CodeAnalysis;
-using System.Reactive.Disposables;
 using System.Reactive.Linq;
 using System.Windows;
 using System.Windows.Controls;
 using System.Windows.Media;
-using GitHub.Extensions;
 using GitHub.Extensions.Reactive;
 using ReactiveUI;
 using ReactiveUI.Legacy;
@@ -14,7 +12,10 @@ namespace GitHub.UI
 {
     public class UserErrorMessages : UserControl
     {
+        [SuppressMessage("Microsoft.Performance", "CA1823:AvoidUnusedPrivateFields")]
         readonly IDisposable whenAnyShowingMessage;
+
+        [SuppressMessage("Microsoft.Performance", "CA1823:AvoidUnusedPrivateFields")]
         readonly IDisposable whenAnyDataContext;
 
         public UserErrorMessages()
@@ -34,7 +35,7 @@ public UserErrorMessages()
                 });
         }
 
-        public static readonly DependencyProperty IconMarginProperty = DependencyProperty.Register("IconMargin", typeof(Thickness), typeof(UserErrorMessages), new PropertyMetadata(new Thickness(0,0,8,0)));
+        public static readonly DependencyProperty IconMarginProperty = DependencyProperty.Register("IconMargin", typeof(Thickness), typeof(UserErrorMessages), new PropertyMetadata(new Thickness(0, 0, 8, 0)));
         public Thickness IconMargin
         {
             get { return (Thickness)GetValue(IconMarginProperty); }