Drop gtk_render_slider from headers

The function does not exist.

Drop gtk_render_slider from headers
The function does not exist.
2b5b6e08 · Matthias Clasen · 93d9a2ce · 2b5b6e08
Commit 2b5b6e08 authored Sep 13, 2020 by Matthias Clasen
--- a/gtk/gtkrender.h
+++ b/gtk/gtkrender.h
@@ -95,14 +95,6 @@ void        gtk_render_line        (GtkStyleContext     *context,
                                    double               x1,
                                    double               y1);
 GDK_AVAILABLE_IN_ALL
-void        gtk_render_slider      (GtkStyleContext     *context,
-                                    cairo_t             *cr,
-                                    double               x,
-                                    double               y,
-                                    double               width,
-                                    double               height,
-                                    GtkOrientation       orientation);
-GDK_AVAILABLE_IN_ALL
 void        gtk_render_handle      (GtkStyleContext     *context,
                                    cairo_t             *cr,
                                    double               x,