chore: use retiredDate in ReSpec config

Author: Marcos Cáceres

index.html

@@ -13,7 +13,6 @@
           shortName: "push-api",
           // previousPublishDate: "2013-08-15",
           // previousMaturity: "WD",
-          edDraftURI: "https://w3c.github.io/push-api/",
           editors: [
             {
               name: "Peter Beverloo",
@@ -27,25 +26,23 @@
               companyURL: "https://www.mozilla.org/",
               w3cid: "68503"
             },
-          ],
-          formerEditors: [
             {
               name: "Bryan Sullivan",
               company: "AT&T",
               companyURL: "http://www.att.com/",
-              note: "until 01 May 2015",
+              retiredDate: "2015-05-01",
             },
             {
               name: "Eduardo Fullea",
               company: "Telefonica",
               companyURL: "http://www.telefonica.com/",
-              note: "until 01 May 2015",
+              retiredDate: "2015-05-01",
             },
             {
               name: "Michaël van Ouwerkerk",
               company: "Google",
               companyURL: "https://www.google.com/",
-              note: "until 08 November 2016",
+              retiredDate: "2016-11-08",
             }
           ],
           wg: "Web Applications Working Group",