tdf#120703 (PVS): Recurring check.

V571 The 'mpViewShell' condition was already verified in line 887.

Change-Id: I90e8beee2f66936122824e403ae82aebceb3adc4
Reviewed-on: https://gerrit.libreoffice.org/62155
Tested-by: Jenkins
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>

sd/source/ui/view/sdwindow.cxx

@@ -886,7 +886,6 @@ sal_Int8 Window::AcceptDrop( const AcceptDropEvent& rEvt )
 
     if( mpViewShell && !mpViewShell->GetDocSh()->IsReadOnly() )
     {
-        if( mpViewShell )
         nRet = mpViewShell->AcceptDrop( rEvt, *this, this, SDRPAGE_NOTFOUND, SDRLAYER_NOTFOUND );
 
         if (mbUseDropScroll && dynamic_cast< OutlineViewShell *>( mpViewShell ) ==  nullptr)