Bug 1819940 - Remove expired histogram EXTENSION_UPDATE_TYPE. r=willd…

…urand

Differential Revision: https://phabricator.services.mozilla.com/D171114

toolkit/components/telemetry/Histograms.json

@@ -16030,17 +16030,6 @@
     "releaseChannelCollection": "opt-out",
     "description": "The number of times a storage.local backend data migration has been completed and results in one of the categories."
   },
-  "EXTENSION_UPDATE_TYPE": {
-    "record_in_processes": ["main"],
-    "products": ["firefox", "fennec"],
-    "alert_emails": ["[email protected]"],
-    "bug_numbers": [1460336],
-    "expires_in_version": "66",
-    "kind": "categorical",
-    "labels": ["JSON", "RDF"],
-    "releaseChannelCollection": "opt-out",
-    "description": "The type of update manifest served for a given update request."
-  },
   "PLACES_SEARCHBAR_FILTER_TYPE": {
     "record_in_processes": ["main"],
     "products": ["firefox"],

toolkit/mozapps/extensions/internal/AddonUpdateChecker.jsm

@@ -50,10 +50,6 @@ const LOGGER_ID = "addons.update-checker";
 // (Requires AddonManager.jsm)
 var logger = Log.repository.getLogger(LOGGER_ID);
 
-const updateTypeHistogram = Services.telemetry.getHistogramById(
-  "EXTENSION_UPDATE_TYPE"
-);
-
 /**
  * Sanitizes the update URL in an update item, as returned by
  * parseRDFManifest and parseJSONManifest. Ensures that:
@@ -337,7 +333,6 @@ UpdateParser.prototype = {
     try {
       let json = JSON.parse(request.responseText);
       results = parseJSONManifest(this.id, request, json);
-      updateTypeHistogram.add("JSON");
     } catch (e) {
       logger.warn("onUpdateCheckComplete failed to parse update manifest", e);
       this.notifyError(lazy.AddonManager.ERROR_PARSE_ERROR);