Bug 1560840 - Revert wpt-sync metadata update for service-workers/service-worker/unregister.https.html; a=testonly

--HG--
extra : rebase_source : cfc74f17b96b13ef435e6245b5c193706267960e

testing/web-platform/meta/service-workers/service-worker/unregister.https.html.ini

@@ -1,7 +1,4 @@
 [unregister.https.html]
   disabled:
     if (os == "android") and not e10s: https://bugzilla.mozilla.org/show_bug.cgi?id=1499972
-  [Unregister twice]
-    expected:
-      if (os == "android") and not debug: FAIL