Allow TrayModule to display standard box background container

 src/modules.rs | 2 --
 1 file changed, 2 deletions(-)

diff --git a/src/modules.rs b/src/modules.rs
index 78bda94..aa5403f 100644
--- a/src/modules.rs
+++ b/src/modules.rs
@@ -664,8 +664,6 @@ pub struct TrayModule;
 
 impl StatusModule for TrayModule {
     fn name(&self) -> &'static str { "tray" }
-    
-    fn has_custom_background(&self) -> bool { true }
 
     fn width(
         &self,