parentclass set_size_request is sufficient

Change-Id: I872fdb2d6d4c6279b6d4dc8f38e1153fcd919f22
Reviewed-on: https://gerrit.libreoffice.org/68395
Tested-by: Jenkins
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>

vcl/unx/gtk3/gtk3gtkinst.cxx

@@ -6157,18 +6157,6 @@ public:
         return (nMaxRowHeight * nRows) + (nVerticalSeparator * (nRows + 1));
     }
 
-    virtual void set_size_request(int nWidth, int nHeight) override
-    {
-        GtkWidget* pParent = gtk_widget_get_parent(m_pWidget);
-        if (GTK_IS_SCROLLED_WINDOW(pParent))
-        {
-            gtk_scrolled_window_set_min_content_width(GTK_SCROLLED_WINDOW(pParent), nWidth);
-            gtk_scrolled_window_set_min_content_height(GTK_SCROLLED_WINDOW(pParent), nHeight);
-            return;
-        }
-        gtk_widget_set_size_request(m_pWidget, nWidth, nHeight);
-    }
-
     virtual Size get_size_request() const override
     {
         GtkWidget* pParent = gtk_widget_get_parent(m_pWidget);