TextEditor: Re-work comment definition handling

No need for most of the machinery.

Change-Id: I9078174582d83da94c6c7f20282fd3a5f1742911
Reviewed-by: Christian Stenger <christian.stenger@digia.com>
Reviewed-by: hjk <hjk121@nokiamail.com>

src/plugins/cmakeprojectmanager/cmakeeditor.h

@@ -78,13 +78,8 @@ protected:
     TextEditor::BaseTextEditor *createEditor();
     void contextMenuEvent(QContextMenuEvent *e);
 
-public slots:
-    void unCommentSelection();
-
 private:
     CMakeEditorWidget(TextEditor::BaseTextEditorWidget *); // avoid stupidity
-    void ctor();
-    Utils::CommentDefinition m_commentDefinition;
 };
 
 class CMakeDocument : public TextEditor::BaseTextDocument