cleanup

src/DiffEngine/Implementation/P4Merge.cs

@@ -2,9 +2,6 @@
 {
     public static Definition P4Merge()
     {
-        var launchArguments2 = new LaunchArguments(
-            Left: (temp, target) => $"\"{target}\" \"{temp}\"",
-            Right: (temp, target) => $"\"{temp}\" \"{target}\"");
         var launchArguments = new LaunchArguments(
             Left: (temp, target) =>
             {

src/DiffEngineTray/HotKey/KeyRegister.cs

@@ -42,7 +42,7 @@ public class KeyRegister :
 
     public bool TryAddBinding(int id, KeyModifiers modifiers, Keys keys, Action action)
     {
-        var unregisterHotKey = UnregisterHotKey(handle, id);
+        UnregisterHotKey(handle, id);
 
         if (!RegisterHotKey(handle, id, modifiers, keys))
         {

src/DiffEngineTray/Tracker.cs

@@ -300,7 +300,7 @@ class Tracker :
     {
         AcceptAllDeletes();
 
-        foreach (var (key, move) in moves)
+        foreach (var move in moves.Values)
         {
             if (move.Process == null)
             {