TextEditor: Remove now unused Q_OBJECT from BehaviorSettingsPage

Change-Id: I0919200ddc8bb8b4547316c0af68f5aafa5d4892
Reviewed-by: David Schulz <david.schulz@qt.io>

src/plugins/texteditor/behaviorsettingspage.h

@@ -3,8 +3,6 @@
 
 #pragma once
 
-#include "texteditor_global.h"
-
 #include <coreplugin/dialogs/ioptionspage.h>
 
 QT_BEGIN_NAMESPACE
@@ -23,8 +21,6 @@ class CodeStylePool;
 
 class BehaviorSettingsPage : public Core::IOptionsPage
 {
-    Q_OBJECT
-
 public:
     BehaviorSettingsPage();
     ~BehaviorSettingsPage() override;