Update Mounir's status

Mounir has changed affiliation and does not currently
participate in W3C. The group is deeply indebted to
Mounir for his contributions as an editor and for
his early implementation experience.

index.html

@@ -15,27 +15,29 @@
           previousPublishDate:  "2021-06-01",
           previousMaturity:     "WD",
           github:               "w3c/battery",
-          editors:  [
+          editors: [
               {
                 name: "Anssi Kostiainen",
                 company: "Intel Corporation",
                 companyURL: "https://intel.com/",
                 w3cid: 41974
               },
-              {
-                name: "Mounir Lamouri",
-                company: "Google Inc.",
-                companyURL: "https://google.com/",
-                note: "previously Mozilla",
-                w3cid: 45389
-              },
               {
                 name: "Raphael Kubo da Costa",
                 company: "Intel Corporation",
                 companyURL: "https://intel.com/",
                 w3cid: 95850
               }
           ],
+          formerEditors: [
+            {
+                name: "Mounir Lamouri",
+                company: "Google Inc.",
+                companyURL: "https://google.com/",
+                note: "previously Mozilla",
+                w3cid: 45389
+            }
+          ],
           group:        "das",
           wgPublicList: "public-device-apis",
           testSuiteURI: "https://wpt.live/battery-status/",