[cheese] Drop deprecated GtkScrollbar-min-slider-length

[David King <davidk src gnome org>]

commit 657ae5dcf2dfa45cc65edf7da2798fc48fd6b9db
Author: Bjørn Lie <bjorn lie gmail com>
Date:   Thu Jul 26 20:31:55 2018 +0000

    Drop deprecated GtkScrollbar-min-slider-length
    
    It seems to serve no purpose anymore + added bonus:
    Avoid deprecation warning littering journald logs.

 data/cheese.css | 1 -
 1 file changed, 1 deletion(-)
---
diff --git a/data/cheese.css b/data/cheese.css
index 6e71f80f..6a48a0c9 100644
--- a/data/cheese.css
+++ b/data/cheese.css
@@ -4,6 +4,5 @@ GtkScrollbar#vscrollbar {
   -GtkScrollbar-has-secondary-backward-stepper: 0;
   -GtkScrollbar-has-forward-stepper: 0;
   -GtkScrollbar-has-secondary-forward-stepper: 0;
-  -GtkScrollbar-min-slider-length: 60;
 }