VcsBase: Simplify QActionPushButton implementation

No need for Q_OBJECT.

Change-Id: I72510ef2e4a722286d12c93016a92370393ca32c
Reviewed-by: Orgad Shaneh <orgads@gmail.com>

src/plugins/vcsbase/submiteditorwidget.cpp

@@ -67,13 +67,8 @@ namespace VcsBase {
 // (similar to a QToolButton)
 class QActionPushButton : public QToolButton
 {
-    Q_OBJECT
 public:
-    explicit QActionPushButton(QAction *a);
-};
-
-QActionPushButton::QActionPushButton(QAction *a) :
-     QToolButton()
+    explicit QActionPushButton(QAction *a)
     {
         setIcon(a->icon());
         setText(a->text());
@@ -85,6 +80,7 @@ QActionPushButton::QActionPushButton(QAction *a) :
         connect(this, &QAbstractButton::clicked, a, &QAction::trigger);
         setEnabled(a->isEnabled());
     }
+};
 
 // Helpers to retrieve model data
 // Convenience to extract a list of selected indexes
@@ -765,5 +761,3 @@ void SubmitEditorWidget::setEmptyFileListEnabled(bool e)
 }
 
 } // namespace VcsBase
-
-#include "submiteditorwidget.moc"