x11: Remove gdk_x11_grab_server()

Luckily, this one is unused.

docs/reference/gdk/gdk4-sections.txt

@@ -927,8 +927,6 @@ gdk_x11_window_get_desktop
 gdk_x11_window_set_utf8_property
 gdk_x11_window_set_frame_extents
 gdk_x11_window_set_frame_sync_enabled
-gdk_x11_grab_server
-gdk_x11_ungrab_server
 gdk_x11_cursor_get_xcursor
 gdk_x11_cursor_get_xdisplay
 gdk_x11_keymap_get_group_for_state

gdk/x11/gdkmain-x11.c

@@ -388,30 +388,3 @@ _gdk_x11_region_get_xrectangles (const cairo_region_t *region,
   *n_rects = n;
   *rects = rectangles;
 }
-
-/**
- * gdk_x11_grab_server:
- * 
- * Call gdk_x11_display_grab() on the default display. 
- * To ungrab the server again, use gdk_x11_ungrab_server(). 
- *
- * gdk_x11_grab_server()/gdk_x11_ungrab_server() calls can be nested.
- **/ 
-void
-gdk_x11_grab_server (void)
-{
-  gdk_x11_display_grab (gdk_display_get_default ());
-}
-
-/**
- * gdk_x11_ungrab_server:
- *
- * Ungrab the default display after it has been grabbed with 
- * gdk_x11_grab_server(). 
- **/
-void
-gdk_x11_ungrab_server (void)
-{
-  gdk_x11_display_ungrab (gdk_display_get_default ());
-}
-

gdk/x11/gdkx11utils.h

@@ -55,10 +55,6 @@ G_BEGIN_DECLS
  */
 #define GDK_POINTER_TO_XID(pointer) GPOINTER_TO_UINT(pointer)
 
-GDK_AVAILABLE_IN_ALL
-void          gdk_x11_grab_server    (void);
-GDK_AVAILABLE_IN_ALL
-void          gdk_x11_ungrab_server  (void);
 
 G_END_DECLS