dropping document into these toolbars does nothing already

so might as well drop that support here. Dropping into the
main panel works (for master documents its quite sensible)

Change-Id: Ic7a088d7ff7054430d55032158a186d610f10da1

sw/source/uibase/cctrl/popbox.cxx

@@ -23,21 +23,10 @@
 #include <navipi.hxx>
 
 SwHelpToolBox::SwHelpToolBox( SwNavigationPI* pParent, const ResId& rResId )
-    : ToolBox( pParent, rResId ),
-    DropTargetHelper( this )
+    : ToolBox( pParent, rResId )
 {
 }
 
 SwHelpToolBox::~SwHelpToolBox() {}
 
-sal_Int8 SwHelpToolBox::AcceptDrop( const AcceptDropEvent& rEvt )
-{
-    return static_cast<SwNavigationPI*>(GetParent())->AcceptDrop( rEvt );
-}
-
-sal_Int8 SwHelpToolBox::ExecuteDrop( const ExecuteDropEvent& rEvt )
-{
-    return static_cast<SwNavigationPI*>(GetParent())->ExecuteDrop( rEvt );
-}
-
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

sw/source/uibase/inc/popbox.hxx

@@ -24,12 +24,8 @@
 
 class SwNavigationPI;
 
-class SwHelpToolBox: public ToolBox, public DropTargetHelper
+class SwHelpToolBox: public ToolBox
 {
-protected:
-    virtual sal_Int8    AcceptDrop( const AcceptDropEvent& rEvt ) override;
-    virtual sal_Int8    ExecuteDrop( const ExecuteDropEvent& rEvt ) override;
-
 public:
     SwHelpToolBox(SwNavigationPI* pParent, const ResId &);
     virtual ~SwHelpToolBox() override;