Vcs: Collapse VcsSubmitEditorFactory hierarchy

Same pattern as for VcsSubmitFactory.

Change-Id: I7adb8868a83842c1b6c642db372a3624dd2e879e
Reviewed-by: Christian Stenger <christian.stenger@digia.com>

src/plugins/git/gitsubmiteditorwidget.cpp

@@ -45,8 +45,7 @@ namespace Git {
 namespace Internal {
 
 // ------------------
-GitSubmitEditorWidget::GitSubmitEditorWidget(QWidget *parent) :
-    VcsBase::SubmitEditorWidget(parent),
+GitSubmitEditorWidget::GitSubmitEditorWidget() :
     m_pushAction(NoPush),
     m_gitSubmitPanel(new QWidget),
     m_logChangeWidget(0),