gui: remove callback unused after 0b2be21f1f

src/gui/gui-key.c

@@ -1006,28 +1006,6 @@ gui_key_focus_matching (struct t_gui_key *key,
     return match[0] && match[1];
 }
 
-/*
- * Callback for replacing values in string with a hashtable.
- */
-
-char *
-gui_key_focus_command_replace_cb (void *data, const char *text)
-{
-    struct t_hashtable *ptr_hashtable;
-    const char *ptr_value;
-
-    ptr_hashtable = (struct t_hashtable *)data;
-
-    if (ptr_hashtable)
-    {
-        ptr_value = hashtable_get (ptr_hashtable, text);
-        if (ptr_value)
-            return strdup (ptr_value);
-    }
-
-    return NULL;
-}
-
 /*
  * Runs command according to focus.
  *