[gnome-shell] screenShield: Stop messing with fixed-position-set

[Georges Basile Stavracas Neto <gbsneto src gnome org>]

commit 1f2116eaf8bc108d489340b511502276b0c6851e
Author: Florian Müllner <fmuellner gnome org>
Date:   Fri Jan 10 16:14:47 2020 +0100

    screenShield: Stop messing with fixed-position-set
    
    We no longer change the position at all, so this property doesn't
    change and doesn't matter (anymore).
    
    https://gitlab.gnome.org/GNOME/gnome-shell/merge_requests/927

 js/ui/screenShield.js | 3 ---
 1 file changed, 3 deletions(-)
---
diff --git a/js/ui/screenShield.js b/js/ui/screenShield.js
index 997ca29f54..842ae6324a 100644
--- a/js/ui/screenShield.js
+++ b/js/ui/screenShield.js
@@ -800,7 +800,6 @@ var ScreenShield = class {
                 duration,
                 mode: Clutter.AnimationMode.EASE_IN_QUAD,
                 onComplete: () => {
-                    this._lockScreenGroup.fixed_position_set = false;
                     this._lockScreenState = MessageTray.State.SHOWN;
                 },
             });
@@ -1026,7 +1025,6 @@ var ScreenShield = class {
             });
         } else {
             this._lockScreenGroup.translation_y = 0;
-            this._lockScreenGroup.fixed_position_set = false;
             this._lockScreenShown({ fadeToBlack, animateFade: false });
         }
 
@@ -1104,7 +1102,6 @@ var ScreenShield = class {
         this._cursorTracker.set_pointer_visible(false);
 
         this._lockScreenState = MessageTray.State.SHOWN;
-        this._lockScreenGroup.fixed_position_set = false;
         this._lockScreenScrollCounter = 0;
 
         if (params.fadeToBlack && params.animateFade) {