[polari] mainWindow: Remove ::size-allocate hack

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

commit 90d23dd35c051cb1f2bc32ba7bc1436a43ab8549
Author: Florian Müllner <fmuellner gnome org>
Date:   Fri Sep 25 19:55:30 2020 +0200

    mainWindow: Remove ::size-allocate hack
    
    The ::size-allocate signal no longer exists in GTK4. We'll use a
    custom layout manager to achieve the same result once we've moved
    to GTK4.
    
    Part-of: <https://gitlab.gnome.org/GNOME/polari/-/merge_requests/232>

 src/mainWindow.js | 9 ---------
 1 file changed, 9 deletions(-)
---
diff --git a/src/mainWindow.js b/src/mainWindow.js
index 3762e9e4..687586de 100644
--- a/src/mainWindow.js
+++ b/src/mainWindow.js
@@ -158,15 +158,6 @@ export default GObject.registerClass({
             this._commandOutputQueue, 'margin-bottom',
             GObject.BindingFlags.SYNC_CREATE);
 
-        // Make sure user-list button is at least as wide as icon buttons
-        this._joinButton.connect('size-allocate', (w, rect) => {
-            let { width } = rect;
-            GLib.idle_add(GLib.PRIORITY_DEFAULT_IDLE, () => {
-                this._showUserListButton.width_request = width;
-                return GLib.SOURCE_REMOVE;
-            });
-        });
-
         this._accountsMonitor = AccountsMonitor.getDefault();
         this._accountsChangedId = this._accountsMonitor.connect(
             'accounts-changed', this._onAccountsChanged.bind(this));