[gnome-builder] clang: remove old comment which is now incorrect

[Christian Hergert <chergert src gnome org>]

commit 72e66eff75325ba9ddbaf4020bd30db575c06eaf
Author: Christian Hergert <chergert redhat com>
Date:   Wed Jan 3 17:30:01 2018 -0800

    clang: remove old comment which is now incorrect

 src/plugins/clang/ide-clang-service.c |    3 ---
 1 files changed, 0 insertions(+), 3 deletions(-)
---
diff --git a/src/plugins/clang/ide-clang-service.c b/src/plugins/clang/ide-clang-service.c
index 88361bb..2ab8d1e 100644
--- a/src/plugins/clang/ide-clang-service.c
+++ b/src/plugins/clang/ide-clang-service.c
@@ -565,9 +565,6 @@ ide_clang_service_get_translation_unit_worker (DzlTaskCache  *cache,
     }
 
   request = g_slice_new0 (ParseRequest);
-  /* Use a copy of the file so that our cache key does not
-   * include any file settings held by the IdeFile instance.
-   */
   request->file = ide_file_new (context, gfile);
   request->index = self->index;
   request->source_filename = g_steal_pointer (&path);