[gnome-builder] build-panel: remove unused function gbp_build_panel_add_error()

[Christian Hergert <chergert src gnome org>]

commit a5c63ee20cbd0601964df7f62981ceba6d1e0534
Author: Christian Hergert <chergert redhat com>
Date:   Sat Oct 15 13:30:45 2016 -0700

    build-panel: remove unused function gbp_build_panel_add_error()

 plugins/build-tools/gbp-build-panel.c |    9 ---------
 plugins/build-tools/gbp-build-panel.h |    2 --
 2 files changed, 0 insertions(+), 11 deletions(-)
---
diff --git a/plugins/build-tools/gbp-build-panel.c b/plugins/build-tools/gbp-build-panel.c
index 1634fa4..20308e4 100644
--- a/plugins/build-tools/gbp-build-panel.c
+++ b/plugins/build-tools/gbp-build-panel.c
@@ -54,15 +54,6 @@ enum {
 
 static GParamSpec *properties [LAST_PROP];
 
-void
-gbp_build_panel_add_error (GbpBuildPanel *self,
-                           const gchar   *message)
-{
-  g_return_if_fail (GBP_IS_BUILD_PANEL (self));
-  g_return_if_fail (message != NULL);
-
-}
-
 static void
 gbp_build_panel_diagnostic (GbpBuildPanel  *self,
                             IdeDiagnostic  *diagnostic,
diff --git a/plugins/build-tools/gbp-build-panel.h b/plugins/build-tools/gbp-build-panel.h
index 86f7527..489b49c 100644
--- a/plugins/build-tools/gbp-build-panel.h
+++ b/plugins/build-tools/gbp-build-panel.h
@@ -30,8 +30,6 @@ G_DECLARE_FINAL_TYPE (GbpBuildPanel, gbp_build_panel, GBP, BUILD_PANEL, PnlDockW
 
 void gbp_build_panel_set_result (GbpBuildPanel  *self,
                                  IdeBuildResult *result);
-void gbp_build_panel_add_error  (GbpBuildPanel  *self,
-                                 const gchar    *message);
 
 G_END_DECLS