Bug 1155523 - follow-up, remove pocket-button from BrowserUITelemetry default placements.

browser/modules/BrowserUITelemetry.jsm

@@ -49,7 +49,6 @@ XPCOMUtils.defineLazyGetter(this, "DEFAULT_AREA_PLACEMENTS", function() {
       "urlbar-container",
       "search-container",
       "bookmarks-menu-button",
-      "pocket-button",
       "downloads-button",
       "home-button",
       "social-share-button",