Revert "Make sure to update the maximize button's visual state on launch"

This reverts commit 46e5196.

Author: zadjii-msft

src/cascadia/WindowsTerminal/NonClientIslandWindow.cpp

@@ -205,11 +205,6 @@ void NonClientIslandWindow::Initialize()
     _rootGrid.Children().Append(_titlebar);
 
     Controls::Grid::SetRow(_titlebar, 0);
-
-    // GH#3440 - When the titlebar is loaded (officially added to our UI tree),
-    // then make sure to update it's visual state to reflect if we're in the
-    // maximized state on launch.
-    _titlebar.Loaded([this](auto&&, auto&&) { _OnMaximizeChange(); });
 }
 
 // Method Description: