[gnome-shell-sass] iconGrid: Use IconGridLayout

[Florian Müllner <fmuellner src gnome org>]

commit 731c5c353cc953647ad6bf7dfbfb41c52c9d7ae8
Author: Georges Basile Stavracas Neto <georges stavracas gmail com>
Date:   Tue May 19 10:43:10 2020 -0300

    iconGrid: Use IconGridLayout
    
    Replace the current grid code with IconGridLayout.
    
    https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/1271

 widgets/_app-grid.scss | 12 ++++--------
 1 file changed, 4 insertions(+), 8 deletions(-)
---
diff --git a/widgets/_app-grid.scss b/widgets/_app-grid.scss
index c2b8f7e..f52a916 100644
--- a/widgets/_app-grid.scss
+++ b/widgets/_app-grid.scss
@@ -1,17 +1,13 @@
 /* App Grid */
 
 $app_icon_size: 96px;
-$app_icon_padding: 24px;
 
 // app icons
 .icon-grid {
-  -shell-grid-horizontal-item-size: $app_icon_size + $app_icon_padding * 2;
-  -shell-grid-vertical-item-size: $app_icon_size + $app_icon_padding * 2;
-  spacing: $base_spacing * 6;
-
-  .overview-icon {
-    icon-size: $app_icon_size;
-  }
+  row-spacing: $base_spacing * 6;
+  column-spacing: $base_spacing * 6;
+  max-row-spacing: $base_spacing * 12;
+  max-column-spacing: $base_spacing * 12;
 }
 
 /* App Icons */