[gnome-maps] Revert "mainWindow: Partly fix some animation glitches"

[Marcus Lundblad <mlundblad src gnome org>]

commit 98a155b72fede485cebcbb317b3e4595f86757c2
Author: Marcus Lundblad <ml update uu se>
Date:   Fri Sep 4 22:20:29 2020 +0200

    Revert "mainWindow: Partly fix some animation glitches"
    
    This reverts commit d558cf5143932d97fb8321cfdfe8db714d81961d.

 src/mainWindow.js | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)
---
diff --git a/src/mainWindow.js b/src/mainWindow.js
index 26aeb27a..c131ecb4 100644
--- a/src/mainWindow.js
+++ b/src/mainWindow.js
@@ -581,9 +581,7 @@ var MainWindow = GObject.registerClass({
     }
 
     _updateRoutingHeaderBar() {
-        let [sidebarMin, _] = this._sidebar.get_child().get_preferred_width();
-        let [mainMin, _1] = this._mainBox.get_preferred_width();
-        let folded = this._leaflet.folded || sidebarMin + mainMin > this.get_allocated_width();
+        let folded = this._leaflet.folded;
         let sidebarVisible = this._leaflet.visible_child == this._sidebar;
 
         if (folded && sidebarVisible) {