Revert "Bug 1889444 - Test for Bounce Tracking Protection purge Glean event." r=bvandersloot,anti-tracking-reviewers

This reverts commit 48bde0422353201d2c978de5311a8706ac95d72b.

Differential Revision: https://phabricator.services.mozilla.com/D208511

Author: Trikolon

toolkit/components/antitracking/bouncetrackingprotection/test/browser/browser.toml

@@ -30,5 +30,3 @@ support-files = [
 ["browser_bouncetracking_stateful_storage.js"]
 
 ["browser_bouncetracking_stateful_web_worker.js"]
-
-["browser_bouncetracking_telemetry_purge_events.js"]