Bug 1795750 - Update Quitter XPI. r=gbrown

The update XPI file contains the following changes:
809841afcb...a7f34bd8a2

Differential Revision: https://phabricator.services.mozilla.com/D214026

testing/profiles/profileserver/user.js

@@ -6,8 +6,5 @@
 /* globals user_pref */
 // Turn off budget throttling for the profile server
 user_pref("dom.timeout.enable_budget_timer_throttling", false);
-// TODO: Bug 1795750 - Re-enable this pref when we have a new version of the
-// Quitter XPI with a simpler version format.
-user_pref("extensions.webextensions.warnings-as-errors", false);
 // Turn off update
 user_pref("app.update.disabledForTesting", true);

testing/profiles/valgrind/user.js

@@ -4,8 +4,5 @@
 
 // Preferences file for valgrind.
 /* globals user_pref */
-// TODO: Bug 1795750 - Re-enable this pref when we have a new version of the
-// Quitter XPI with a simpler version format.
-user_pref("extensions.webextensions.warnings-as-errors", false);
 // Turn off update
 user_pref("app.update.disabledForTesting", true);

tools/quitter/README.md

@@ -1,6 +1,11 @@
-All code for this is part of the quitter project on github:
+All code for this is part of the quitter project on GitHub:
 https://github.com/mozilla-extensions/quitter
 
 This is within the mozilla-extensions organization so that we can sign the .xpi.
 
-To update code, please submit a PR to the github repo.  Once that is merged in, a JIRA ticket (ex [ADDONSOPS-194](https://mozilla-hub.atlassian.net/browse/ADDONSOPS-194)) is needed to resign the .xpi.
+To update code, please submit a PR to the github repo.  Once that is merged in,
+a JIRA ticket (e.g. [ADDONSOPS-194][] or [ADDONSOPS-337][]) is needed to resign
+the .xpi.
+
+[ADDONSOPS-194]: https://mozilla-hub.atlassian.net/browse/ADDONSOPS-194
+[ADDONSOPS-337]: https://mozilla-hub.atlassian.net/browse/ADDONSOPS-337