Bug 1258798 - kill latest_mar_dir in single locale mh configs r=jlorenzo DONTBUILD

MozReview-Commit-ID: 5eVEZWnSc0t

--HG--
extra : rebase_source : 77b52f775cd050bf07ee90efd3bfe97365d9a06f

testing/mozharness/configs/single_locale/jamun.py

@@ -5,7 +5,6 @@ config = {
     "branch": "jamun",
     "en_us_binary_url": "http://archive.mozilla.org/pub/firefox/nightly/latest-mozilla-central",
     "update_channel": "nightly-jamun",
-    "latest_mar_dir": '/pub/firefox/nightly/latest-jamun-l10n',
 
     # l10n
     "hg_l10n_base": "https://hg.mozilla.org/releases/l10n/mozilla-aurora",