[gtk/a11y/atspi] Remove some unused code

[Matthias Clasen <matthiasc src gnome org>]

commit 81e107885c80fe6cd3c8b06b8e9fb09f4d625b59
Author: Matthias Clasen <mclasen redhat com>
Date:   Tue Oct 13 15:08:15 2020 -0400

    Remove some unused code

 gtk/a11y/gtkatspicontext.c | 31 -------------------------------
 1 file changed, 31 deletions(-)
---
diff --git a/gtk/a11y/gtkatspicontext.c b/gtk/a11y/gtkatspicontext.c
index 8482d40c52..6e4cfdf2c2 100644
--- a/gtk/a11y/gtkatspicontext.c
+++ b/gtk/a11y/gtkatspicontext.c
@@ -938,37 +938,6 @@ gtk_at_spi_context_state_change (GtkATContext                *ctx,
     }
 }
 
-static void
-insert_text_cb (GtkEditable     *editable,
-                char            *new_text,
-                int              new_text_length,
-                int             *position,
-                GtkAtSpiContext *self)
-{
-  int length;
-
-  if (new_text_length == 0)
-    return;
-
-  length = g_utf8_strlen (new_text, new_text_length);
-  emit_text_changed (self, "insert", *position - length, length, new_text);
-}
-
-static void
-delete_text_cb (GtkEditable     *editable,
-                int              start,
-                int              end,
-                GtkAtSpiContext *self)
-{
-  char *text;
-
-  if (start == end)
-    return;
-
-  text = gtk_editable_get_chars (editable, start, end);
-  emit_text_changed (self, "delete", start, end - start, text);
-}
-
 static void
 gtk_at_spi_context_dispose (GObject *gobject)
 {