requirements.txt: Instead of pinning Jinja2, use newer MkDocs

Signed-off-by: Paul Sokolovsky <paul.sokolovsky@linaro.org>
Change-Id: I737c3097d5be11ea0497934272ae2c01da5d365a
1 file changed
tree: bc827c290575af1dc9de3aba17f996c675c0d235
  1. docs/
  2. .gitreview
  3. mkdocs.yml
  4. requirements.txt