[gnome-builder] buffer: remove dead code

[Christian Hergert <chergert src gnome org>]

commit 083e6124e3f0c2f9057712002323bf44342a3292
Author: Christian Hergert <chergert redhat com>
Date:   Mon Apr 9 15:06:03 2018 -0700

    buffer: remove dead code

 src/libide/buffers/ide-buffer.c | 19 -------------------
 1 file changed, 19 deletions(-)
---
diff --git a/src/libide/buffers/ide-buffer.c b/src/libide/buffers/ide-buffer.c
index 640ac3a33..1e1ac4d20 100644
--- a/src/libide/buffers/ide-buffer.c
+++ b/src/libide/buffers/ide-buffer.c
@@ -2892,25 +2892,6 @@ ide_buffer_get_symbol_at_location_finish (IdeBuffer     *self,
   return ide_task_propagate_pointer (IDE_TASK (result), error);
 }
 
-/**
- * ide_buffer_get_symbols_finish:
- * @self: an #IdeBuffer.
- *
- * Returns: (transfer container) (element-type Ide.Symbol): a #GPtrArray if successful;
- *   otherwise %NULL.
- */
-GPtrArray *
-ide_buffer_get_symbols_finish (IdeBuffer     *self,
-                               GAsyncResult  *result,
-                               GError       **error)
-{
-  g_return_val_if_fail (IDE_IS_MAIN_THREAD (), NULL);
-  g_return_val_if_fail (IDE_IS_BUFFER (self), NULL);
-  g_return_val_if_fail (IDE_IS_TASK (result), NULL);
-
-  return ide_task_propagate_pointer (IDE_TASK (result), error);
-}
-
 static gboolean
 ide_buffer_reclaim_timeout (gpointer data)
 {