remove extra referencers

src/app/browser/window/header/bar.rs

@@ -59,6 +59,6 @@ impl Bar {
 
     // Getters
     pub fn gobject(&self) -> &Box {
-        &self.widget.gobject()
+        self.widget.gobject()
     }
 }

src/app/browser/window/header/bar/control.rs

@@ -19,6 +19,6 @@ impl Control {
 
     // Getters
     pub fn gobject(&self) -> &WindowControls {
-        &self.widget.gobject()
+        self.widget.gobject()
     }
 }

src/app/browser/window/header/bar/menu.rs

@@ -77,7 +77,7 @@ impl Menu {
 
     // Getters
     pub fn gobject(&self) -> &MenuButton {
-        &self.widget.gobject()
+        self.widget.gobject()
     }
 }
 

src/app/browser/window/header/bar/tab.rs

@@ -22,6 +22,6 @@ impl Tab {
 
     // Getters
     pub fn gobject(&self) -> &TabBar {
-        &self.widget.gobject()
+        self.widget.gobject()
     }
 }

src/app/browser/window/header/bar/tab/append.rs

@@ -19,6 +19,6 @@ impl Append {
 
     // Getters
     pub fn gobject(&self) -> &Button {
-        &self.widget.gobject()
+        self.widget.gobject()
     }
 }