JobparQModel rm disconnect on dangling pointer

GUI/View/Job/JobparQModel.cpp

@@ -43,11 +43,7 @@ JobparQModel::JobparQModel(QObject* parent)
 {
 }
 
-JobparQModel::~JobparQModel()
-{
-    if (m_job_item)
-        disconnect(m_job_item, nullptr, this, nullptr);
-}
+JobparQModel::~JobparQModel() = default;
 
 int JobparQModel::rowCount(const QModelIndex& parent) const
 {
@@ -135,8 +131,6 @@ bool JobparQModel::setData(const QModelIndex& index, const QVariant& value, int
 void JobparQModel::setJobItem(JobItem* jobItem)
 {
     beginResetModel();
-    if (m_job_item)
-        disconnect(m_job_item, nullptr, this, nullptr);
     m_job_item = jobItem;
     if (m_job_item)
         notifyJobPropertyChange();