Bug 1839458 - Address undesired event pings from empty whats new pane…

…l provider r=omc-reviewers,aminomancer

This patch simply disables the whats-new-panel provider to prevent a huge influx of undesired events due to the unused provider being empty.

Differential Revision: https://phabricator.services.mozilla.com/D193084

browser/app/profile/firefox.js

@@ -1651,7 +1651,7 @@ pref("browser.newtabpage.activity-stream.improvesearch.topSiteSearchShortcuts",
 
 // ASRouter provider configuration
 pref("browser.newtabpage.activity-stream.asrouter.providers.cfr", "{\"id\":\"cfr\",\"enabled\":true,\"type\":\"remote-settings\",\"collection\":\"cfr\",\"updateCycleInMs\":3600000}");
-pref("browser.newtabpage.activity-stream.asrouter.providers.whats-new-panel", "{\"id\":\"whats-new-panel\",\"enabled\":true,\"type\":\"remote-settings\",\"collection\":\"whats-new-panel\",\"updateCycleInMs\":3600000}");
+pref("browser.newtabpage.activity-stream.asrouter.providers.whats-new-panel", "{\"id\":\"whats-new-panel\",\"enabled\":false,\"type\":\"remote-settings\",\"collection\":\"whats-new-panel\",\"updateCycleInMs\":3600000}");
 pref("browser.newtabpage.activity-stream.asrouter.providers.message-groups", "{\"id\":\"message-groups\",\"enabled\":true,\"type\":\"remote-settings\",\"collection\":\"message-groups\",\"updateCycleInMs\":3600000}");
 // This url, if changed, MUST continue to point to an https url. Pulling arbitrary content to inject into
 // this page over http opens us up to a man-in-the-middle attack that we'd rather not face. If you are a downstream