Simplify sd::Window::RequestHelp

Change-Id: I0d42c5a3133d97464d105a1ff29772c1b63a3a69
Reviewed-on: https://gerrit.libreoffice.org/66282
Tested-by: Jenkins
Reviewed-by: Mike Kaganski <mike.kaganski@collabora.com>
diff --git a/sd/source/ui/view/sdwindow.cxx b/sd/source/ui/view/sdwindow.cxx
index f295d00..227291d 100644
--- a/sd/source/ui/view/sdwindow.cxx
+++ b/sd/source/ui/view/sdwindow.cxx
@@ -280,12 +280,7 @@ bool Window::EventNotify( NotifyEvent& rNEvt )

void Window::RequestHelp(const HelpEvent& rEvt)
{
    if ( mpViewShell )
    {
        if( !mpViewShell->RequestHelp( rEvt ) )
            vcl::Window::RequestHelp( rEvt );
    }
    else
    if (!mpViewShell || !mpViewShell->RequestHelp(rEvt))
        vcl::Window::RequestHelp( rEvt );
}