Bug 1437593 - Exclude third_party directory from linting; r=ted

MozReview-Commit-ID: DrVaFf9e6tf

--HG--
extra : rebase_source : cb00caebb3af6908cd67af323a5ec895ca3d12e5

tools/lint/test-disable.yml

@@ -11,6 +11,7 @@ no-comment-disable:
         - dom/canvas/test/webgl-conf/mochitest-errata.ini
         - testing/mozbase/manifestparser/tests
         - testing/web-platform
+        - third_party
         - xpcom/tests/unit/data
     extensions: ['ini']
     type: regex