All usages discard these

Remove them

Terminal.Gui/Application.cs

@@ -1125,15 +1125,12 @@ public static partial class Application
         }
     }
 
-    private static View FindDeepestTop (Toplevel start, int x, int y, out int resx, out int resy)
+    private static View FindDeepestTop (Toplevel start, int x, int y)
     {
         Rectangle startFrame = start.Frame;
 
         if (!startFrame.Contains (x, y))
         {
-            resx = 0;
-            resy = 0;
-
             return null;
         }
 
@@ -1156,9 +1153,6 @@ public static partial class Application
             }
         }
 
-        resx = x - startFrame.X;
-        resy = y - startFrame.Y;
-
         return start;
     }
 
@@ -1488,7 +1482,7 @@ public static partial class Application
             && a.MouseEvent.Flags != MouseFlags.ReportMousePosition
             && a.MouseEvent.Flags != 0)
         {
-            View top = FindDeepestTop (Top, a.MouseEvent.X, a.MouseEvent.Y, out _, out _);
+            View top = FindDeepestTop (Top, a.MouseEvent.X, a.MouseEvent.Y);
             view = View.FindDeepestView (top, a.MouseEvent.X, a.MouseEvent.Y, out screenX, out screenY);
 
             if (view is { } && view != OverlappedTop && top != Current)