[gnome-builder] config: remove dead code

[Christian Hergert <chergert src gnome org>]

commit f172c7b7d6c39dcabc61813a7add728246955f5d
Author: Christian Hergert <chergert redhat com>
Date:   Fri Jan 26 16:10:52 2018 -0800

    config: remove dead code

 src/libide/config/ide-configuration.h | 2 --
 1 file changed, 2 deletions(-)
---
diff --git a/src/libide/config/ide-configuration.h b/src/libide/config/ide-configuration.h
index 62e2fa65f..d11d58887 100644
--- a/src/libide/config/ide-configuration.h
+++ b/src/libide/config/ide-configuration.h
@@ -168,8 +168,6 @@ IDE_AVAILABLE_IN_ALL
 void                  ide_configuration_set_environment           (IdeConfiguration      *self,
                                                                    IdeEnvironment        *environment);
 IDE_AVAILABLE_IN_ALL
-IdeConfiguration     *ide_configuration_snapshot                  (IdeConfiguration      *self);
-IDE_AVAILABLE_IN_ALL
 guint                 ide_configuration_get_sequence              (IdeConfiguration      *self);
 IDE_AVAILABLE_IN_ALL
 const gchar          *ide_configuration_get_app_id                (IdeConfiguration      *self);