[css-box-4] revert to ED after preparing for FPWD

Author: svgeesus

css-box-4/Overview.bs

@@ -2,13 +2,13 @@
 Title: CSS Box Model Module Level 4
 Shortname: css-box
 Level: 4
-Status: FPWD
+Status: ED
 Work Status: Exploring
 Group: csswg
 ED: https://drafts.csswg.org/css-box-4/
 TR: https://www.w3.org/TR/css-box-4/
-Date: 2020-04-21
-Prepare for TR: yes
+Previous version: https://www.w3.org/TR/2020/WD-css-box-4-20200421/
+Prepare for TR: no
 Abstract: This specification describes the margin and padding properties, which create spacing in and around a CSS box. It may later be extended to include borders (currently described in [[css-backgrounds-3]]).
 Editor: Elika J. Etemad / fantasai, Invited Expert, http://fantasai.inkedblade.net/contact, w3cid 35400
 Ignored Terms: internal table elements, block layout