removed duplicate requirement (#377)

gregorypease280 · mblayman · commit aea98ccc4f7b · 2017-10-30T20:03:16.000-04:00
diff --git a/requirements-development.txt b/requirements-development.txt
@@ -12,6 +12,5 @@ recommonmark
 Sphinx
 sphinx_rtd_theme
 tox
-mock
 django-debug-toolbar
 packaging==16.8
