Vcs: Convert settings pages to latest style

Last change in that area for this year.

Change-Id: Ibae9f1869cb20faf85c0c1669b84751ad022b8fd
Reviewed-by: Orgad Shaneh <orgads@gmail.com>

src/plugins/cvs/cvsplugin.cpp

@@ -288,7 +288,6 @@ private:
     bool commit(const QString &messageFile, const QStringList &subVersionFileList);
     void cleanCommitMessageFile();
 
-    CvsSettings m_setting;
     CvsClient *m_client = nullptr;
 
     QString m_commitMessageFileName;