Remove all use of now-removed Glean events API

[badboy]

Ref #19967, #28587

This API is still references here: https://github.com/mozilla-mobile/fenix/blob/3e7d0bf8fbfbcb88eb447d63cf4b74beb14d88af/app/src/main/java/org/mozilla/fenix/components/metrics/GleanMetricsService.kt

Further down the EventWrapper is set to null unconditionally, and references in track.

That one is then used here:

fenix/app/src/main/java/org/mozilla/fenix/components/metrics/MetricsMiddleware.kt

Lines 29 to 30 in 3e7d0bf

	metrics.track(Event.GrowthData.SetAsDefault)
	metrics.track(Event.GrowthData.FirstWeekSeriesActivity)

and I think here: https://github.com/mozilla-mobile/fenix//blob/main/app/src/main/java/org/mozilla/fenix/components/metrics/MetricController.kt#L395

and I don't understand how that all still works together.
But I think this basically doesn't track any events anymore because of the event.wrapper = null mentioned above.

┆Issue is synchronized with this Jira Task

[cpeterso]

Moved to bugzilla: https://bugzilla.mozilla.org/show_bug.cgi?id=1812943

Change performed by the Move to Bugzilla add-on.