Bug 1496698 - Remove res/vendor from jar.mn; r=MattN

Followup to remove the now non-existent directory from the manifest.

MozReview-Commit-ID: 5grb4TgoBsT

Differential Revision: https://phabricator.services.mozilla.com/D8466

--HG--
extra : moz-landing-system : lando

browser/components/payments/jar.mn

@@ -26,4 +26,3 @@ browser.jar:
     res/payments/unprivileged-fallbacks.js            (res/unprivileged-fallbacks.js)
     res/payments/mixins/                              (res/mixins/*.js)
     res/payments/PaymentsStore.js                     (res/PaymentsStore.js)
-    res/payments/vendor/                              (res/vendor/*)