[gnome-shell] Revert "windowManager: Undim parent when minimizing attached modal"

[Marge Bot <marge-bot src gnome org>]

commit 31acf30bfaa21369e125dd3f2e7b19e28b9d1d0b
Author: Jonas Dreßler <verdre v0yd nl>
Date:   Wed Jun 29 19:56:25 2022 +0200

    Revert "windowManager: Undim parent when minimizing attached modal"
    
    This reverts commit 78a7cc18360e2330c8d45502670d01e22d5128f2.
    
    Part-of: <https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/2349>

 js/ui/windowManager.js | 4 ----
 1 file changed, 4 deletions(-)
---
diff --git a/js/ui/windowManager.js b/js/ui/windowManager.js
index 166480db85..bd47e6e5d5 100644
--- a/js/ui/windowManager.js
+++ b/js/ui/windowManager.js
@@ -1141,10 +1141,6 @@ var WindowManager = class {
     }
 
     _minimizeWindow(shellwm, actor) {
-        const window = actor.meta_window;
-        if (window.is_attached_dialog())
-            this._checkDimming(window.get_transient_for());
-
         const types = [
             Meta.WindowType.NORMAL,
             Meta.WindowType.MODAL_DIALOG,