[libhandy] swipe-group: Remove an unnecessary include

[Adrien Plazas <aplazas src gnome org>]

commit e00cc12a2ae4d23e66fb637f81e2cf2098d1f2c1
Author: Alexander Mikhaylenko <alexm gnome org>
Date:   Wed Jul 22 02:27:55 2020 +0500

    swipe-group: Remove an unnecessary include
    
    It's already in hdy-swipe-group.h
    
    Signed-off-by: Alexander Mikhaylenko <alexm gnome org>

 src/hdy-swipe-group.c | 1 -
 1 file changed, 1 deletion(-)
---
diff --git a/src/hdy-swipe-group.c b/src/hdy-swipe-group.c
index 99d58344..18b167ab 100644
--- a/src/hdy-swipe-group.c
+++ b/src/hdy-swipe-group.c
@@ -9,7 +9,6 @@
 #include "hdy-swipe-group.h"
 #include <gtk/gtk.h>
 #include "hdy-navigation-direction.h"
-#include "hdy-swipeable.h"
 #include "hdy-swipe-tracker-private.h"
 
 #define BUILDABLE_TAG_OBJECT "object"