[gnome-control-center] removable-media: Replace ifdefs with #pragma once

[Georges Basile Stavracas Neto <gbsneto src gnome org>]

commit c5d7cf832ec1f7cd65411d42d927bc9105b0dc92
Author: Robert Ancell <robert ancell canonical com>
Date:   Thu Nov 21 20:39:30 2019 +1300

    removable-media: Replace ifdefs with #pragma once

 panels/removable-media/cc-removable-media-panel.h | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)
---
diff --git a/panels/removable-media/cc-removable-media-panel.h 
b/panels/removable-media/cc-removable-media-panel.h
index f373b9217..f6d4b53ae 100644
--- a/panels/removable-media/cc-removable-media-panel.h
+++ b/panels/removable-media/cc-removable-media-panel.h
@@ -17,8 +17,7 @@
  *
  */
 
-#ifndef CC_REMOVABLE_MEDIA_PANEL_H
-#define CC_REMOVABLE_MEDIA_PANEL_H
+#pragma once
 
 #include <shell/cc-panel.h>
 
@@ -27,7 +26,4 @@ G_BEGIN_DECLS
 #define CC_TYPE_REMOVABLE_MEDIA_PANEL (cc_removable_media_panel_get_type ())
 G_DECLARE_FINAL_TYPE (CcRemovableMediaPanel, cc_removable_media_panel, CC, REMOVABLE_MEDIA_PANEL, CcPanel)
 
-
 G_END_DECLS
-
-#endif /* CC_REMOVABLE_MEDIA_PANEL_H */