[gnome-settings-daemon] power: Remove gsd-device-mapper.h include

[Rui Matos <rtcm src gnome org>]

commit 107c36c4851464eb835cb86dfa1de18d29e31cbd
Author: Rui Matos <tiagomatos gmail com>
Date:   Wed Apr 26 15:41:26 2017 +0200

    power: Remove gsd-device-mapper.h include
    
    It's unused.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=781907

 plugins/power/gsd-power-manager.c |    1 -
 1 files changed, 0 insertions(+), 1 deletions(-)
---
diff --git a/plugins/power/gsd-power-manager.c b/plugins/power/gsd-power-manager.c
index e8a38f4..976c675 100644
--- a/plugins/power/gsd-power-manager.c
+++ b/plugins/power/gsd-power-manager.c
@@ -37,7 +37,6 @@
 #include <libgnome-desktop/gnome-idle-monitor.h>
 
 #include <gsd-input-helper.h>
-#include <gsd-device-mapper.h>
 
 #include "gsd-power-constants.h"
 #include "gsm-inhibitor-flag.h"