support Del shortcut in several PD task dialogs

src/Mod/PartDesign/Gui/TaskFilletParameters.cpp

@@ -24,7 +24,7 @@
 #include "PreCompiled.h"
 
 #ifndef _PreComp_
-# include <QAction>
+# include <QAction>
 #endif
 
 #include "ui_TaskFilletParameters.h"
@@ -85,6 +85,7 @@ TaskFilletParameters::TaskFilletParameters(ViewProviderDressUp *DressUpView,QWid
 
     // Create context menu
     QAction* action = new QAction(tr("Remove"), this);
+    action->setShortcut(QString::fromLatin1("Del"));
     ui->listWidgetReferences->addAction(action);
     connect(action, SIGNAL(triggered()), this, SLOT(onRefDeleted()));
     ui->listWidgetReferences->setContextMenuPolicy(Qt::ActionsContextMenu);