Bug 1855604 - Back out putting provenance attribution in installation.first_seen r=nalexander

Backs out Bug 1821189's patch: https://hg.mozilla.org/mozilla-central/rev/c4f8098f81bb

Differential Revision: https://phabricator.services.mozilla.com/D189591

browser/modules/BrowserUsageTelemetry.sys.mjs

@@ -1283,9 +1283,8 @@ export let BrowserUsageTelemetry = {
       return;
     }
 
-    let provenanceExtra = {};
     try {
-      provenanceExtra = await lazy.ProvenanceData.submitProvenanceTelemetry();
+      await lazy.ProvenanceData.submitProvenanceTelemetry();
     } catch (ex) {
       console.warn(
         "reportInstallationTelemetry - submitProvenanceTelemetry failed",
@@ -1422,13 +1421,6 @@ export let BrowserUsageTelemetry = {
       null,
       extra
     );
-    Services.telemetry.recordEvent(
-      "installation",
-      "first_seen_prov_ext",
-      installer_type,
-      null,
-      provenanceExtra
-    );
   },
 };