[gnome-shell/gnome-40] shellDBus: Remove bogus return statements

[Florian Müllner <fmuellner src gnome org>]

commit 170d035ac601c6562e96247aae420af73a16191c
Author: Florian Müllner <fmuellner gnome org>
Date:   Thu Jun 17 15:41:20 2021 +0200

    shellDBus: Remove bogus return statements
    
    g_dbus_method_invocation_return_value() doesn't have a return value.
    
    Part-of: <https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/1891>
    (cherry picked from commit 6813e246cdf6a0719b4a7de8dd91aa4664be8d63)

 js/ui/shellDBus.js | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)
---
diff --git a/js/ui/shellDBus.js b/js/ui/shellDBus.js
index 39f142af95..48e7bb5b89 100644
--- a/js/ui/shellDBus.js
+++ b/js/ui/shellDBus.js
@@ -111,7 +111,7 @@ var GnomeShell = class {
         let [accel, modeFlags, grabFlags] = params;
         let sender = invocation.get_sender();
         let bindingAction = this._grabAcceleratorForSender(accel, modeFlags, grabFlags, sender);
-        return invocation.return_value(GLib.Variant.new('(u)', [bindingAction]));
+        invocation.return_value(GLib.Variant.new('(u)', [bindingAction]));
     }
 
     GrabAcceleratorsAsync(params, invocation) {
@@ -122,7 +122,7 @@ var GnomeShell = class {
             let [accel, modeFlags, grabFlags] = accels[i];
             bindingActions.push(this._grabAcceleratorForSender(accel, modeFlags, grabFlags, sender));
         }
-        return invocation.return_value(GLib.Variant.new('(au)', [bindingActions]));
+        invocation.return_value(GLib.Variant.new('(au)', [bindingActions]));
     }
 
     UngrabAcceleratorAsync(params, invocation) {
@@ -130,7 +130,7 @@ var GnomeShell = class {
         let sender = invocation.get_sender();
         let ungrabSucceeded = this._ungrabAcceleratorForSender(action, sender);
 
-        return invocation.return_value(GLib.Variant.new('(b)', [ungrabSucceeded]));
+        invocation.return_value(GLib.Variant.new('(b)', [ungrabSucceeded]));
     }
 
     UngrabAcceleratorsAsync(params, invocation) {
@@ -141,7 +141,7 @@ var GnomeShell = class {
         for (let i = 0; i < actions.length; i++)
             ungrabSucceeded &= this._ungrabAcceleratorForSender(actions[i], sender);
 
-        return invocation.return_value(GLib.Variant.new('(b)', [ungrabSucceeded]));
+        invocation.return_value(GLib.Variant.new('(b)', [ungrabSucceeded]));
     }
 
     _emitAcceleratorActivated(action, device, timestamp) {