Bug 1559975 - remove modules/freetype2 from python3 linter blacklist r=ahal

Changes:
- nothing changed except removing `modules/freetype2` from the blacklist

Differential Revision: https://phabricator.services.mozilla.com/D35701

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

tools/lint/py3.yml

@@ -16,7 +16,6 @@ py3:
         - layout/style
         - layout/tools/reftest
         - media
-        - modules/freetype2
         - security/manager/ssl
         - testing/awsy
         - testing/firefox-ui/harness/firefox_ui_harness/runners/update.py