main: Remove unused 'background' property

diff --git a/js/ui/main.js b/js/ui/main.js
index b907eb9c20289897795a3cdeb02302b78bef1ace..f8235f6e15234c59a41c56997f97a99b308b9b28 100644 (file)
--- a/js/ui/main.js
+++ b/js/ui/main.js
@@ -81,8 +81,6 @@ let _defaultCssStylesheet = null;
 let _cssStylesheet = null;
 let _overridesSettings = null;
 
-let background = null;
-
 function _sessionUpdated() {
     wm.setCustomKeybindingHandler('panel-main-menu',
                                   KeybindingMode.NORMAL |