[libhandy] carousel-box: Don't invalidate cache on any allocation

[Guido Günther <guidog src gnome org>]

commit bdfb9a99e20b5a3139f9828beb95266188af271f
Author: Alexander Mikhaylenko <alexm gnome org>
Date:   Fri Oct 9 13:13:23 2020 +0500

    carousel-box: Don't invalidate cache on any allocation
    
    Welp.
    
    Fixes https://gitlab.gnome.org/GNOME/libhandy/-/issues/304

 src/hdy-carousel-box.c | 1 -
 1 file changed, 1 deletion(-)
---
diff --git a/src/hdy-carousel-box.c b/src/hdy-carousel-box.c
index cf6e6eb0..0c4c5759 100644
--- a/src/hdy-carousel-box.c
+++ b/src/hdy-carousel-box.c
@@ -903,7 +903,6 @@ hdy_carousel_box_size_allocate (GtkWidget     *widget,
     gtk_widget_size_allocate (child, &alloc);
   }
 
-  invalidate_drawing_cache (self);
   gtk_widget_set_clip (widget, allocation);
 }