Fix for Mix.project deprecation

It's intended to fix one test failure at v0.13.2.
```
(TokenMissingError) web/templates/index.html.eex:16: missing terminator: end (for \"do\" starting at line 12)
```

These params were deleted in the following commit.
https://github.com/elixir-lang/elixir/commit/a67fe46ca59710e38cce839d8202ddb8641459e2