move 2711 to 2600s

2711 is about web extension data and does not fit in the 2700s is all about websites' persistent data, i.e items that sanitizing and Storage Manager deal with. Dumping in 2600's which is getting a revamp later

user.js

@@ -1285,6 +1285,12 @@ user_pref("security.fileuri.strict_origin_policy", true);
  * [1] https://developer.mozilla.org/docs/Web/Security/Subresource_Integrity
  * [2] https://wiki.mozilla.org/Security/Subresource_Integrity ***/
 user_pref("security.sri.enable", true); // default: true
+/* 2625: clear localStorage and UUID when an extension is uninstalled
+ * [NOTE] Both preferences must be the same
+ * [1] https://developer.mozilla.org/Add-ons/WebExtensions/API/storage/local
+ * [2] https://bugzilla.mozilla.org/1213990 ***/
+user_pref("extensions.webextensions.keepStorageOnUninstall", false);
+user_pref("extensions.webextensions.keepUuidOnUninstall", false);
 /* 2626: disable optional user agent token
  * [1] https://developer.mozilla.org/docs/Web/HTTP/Headers/User-Agent/Firefox ***/
 user_pref("general.useragent.compatMode.firefox", false); // default: false
@@ -1405,12 +1411,6 @@ user_pref("network.cookie.leave-secure-alone", true); // default: true
  * [WARNING] This will break a LOT of sites' functionality.
  * You are better off using an extension for more granular control ***/
    // user_pref("dom.storage.enabled", false);
-/* 2711: clear localStorage and UUID when an extension is uninstalled
- * [NOTE] Both preferences must be the same
- * [1] https://developer.mozilla.org/Add-ons/WebExtensions/API/storage/local
- * [2] https://bugzilla.mozilla.org/1213990 ***/
-user_pref("extensions.webextensions.keepStorageOnUninstall", false);
-user_pref("extensions.webextensions.keepUuidOnUninstall", false);
 /* 2720: disable JS storing data permanently [SETUP]
  * [WARNING] This BREAKS uBlock Origin [1.14.0+] and other extensions that require IndexedDB
  * [1] https://github.com/gorhill/uBlock/releases/tag/1.14.0