docs: Remove mentions of gtk_init_with_args().

Because it has been removed: See commit 7e8eb3ddcd

docs/reference/gtk/gtk4-sections.txt

@@ -4890,7 +4890,6 @@ gtk_get_locale_direction
 gtk_parse_args
 gtk_init
 gtk_init_check
-gtk_init_with_args
 gtk_get_option_group
 gtk_events_pending
 gtk_main

gdk/gdk.c

@@ -777,7 +777,7 @@ gdk_set_program_class (const char *program_class)
  * gdk_disable_multidevice:
  *
  * Disables multidevice support in GDK. This call must happen prior
- * to gdk_display_open(), gtk_init(), gtk_init_with_args() or
+ * to gdk_display_open(), gtk_init() or
  * gtk_init_check() in order to take effect.
  *
  * Most common GTK+ applications won’t ever need to call this. Only

gdk/gdkdisplaymanager.c

@@ -244,7 +244,7 @@ static const gchar *allowed_backends;
  * list to try all remaining backends.
  *
  * This call must happen prior to gdk_display_open(),
- * gtk_init(), gtk_init_with_args() or gtk_init_check()
+ * gtk_init(), or gtk_init_check()
  * in order to take effect.
  *
  * Since: 3.10

gtk/gtkmain.c

@@ -373,8 +373,8 @@ static gboolean do_setlocale = TRUE;
 
 /**
  * gtk_disable_setlocale:
- * 
- * Prevents gtk_init(), gtk_init_check(), gtk_init_with_args() and
+ *
+ * Prevents gtk_init(), gtk_init_check() and
  * gtk_parse_args() from automatically
  * calling `setlocale (LC_ALL, "")`. You would
  * want to use this function if you wanted to set the locale for