[metacity] effects: remove redundant declarations

[Alberts Muktupāvels <muktupavels src gnome org>]

commit f93a7371cb6eca0c35b110c8062932388252d0cd
Author: Alberts Muktupāvels <alberts muktupavels gmail com>
Date:   Sun Feb 26 12:20:15 2017 +0200

    effects: remove redundant declarations

 src/core/effects.c |   15 +--------------
 1 files changed, 1 insertions(+), 14 deletions(-)
---
diff --git a/src/core/effects.c b/src/core/effects.c
index 2897f47..afe22b8 100644
--- a/src/core/effects.c
+++ b/src/core/effects.c
@@ -122,19 +122,6 @@ struct MetaEffect
 
 static void run_default_effect_handler (MetaEffect *effect);
 static void run_handler (MetaEffect *effect);
-static void effect_free (MetaEffect *effect);
-
-static MetaEffect *
-create_effect (MetaEffectType      type,
-               MetaWindow         *window,
-               MetaEffectFinished  finished,
-               gpointer            finished_data);
-
-static void
-draw_box_animation (MetaScreen     *screen,
-                    MetaRectangle  *initial_rect,
-                    MetaRectangle  *destination_rect,
-                    double          seconds_duration);
 
 /**
  * Creates an effect.
@@ -356,7 +343,7 @@ effects_draw_box_animation_timeout (BoxAnimationContext *context)
   return TRUE;
 }
 
-void
+static void
 draw_box_animation (MetaScreen     *screen,
                     MetaRectangle  *initial_rect,
                     MetaRectangle  *destination_rect,