Remove group for databases in Gemfile for now
Remove group for databases in Gemfile for now

There is a bug when testing with ruby 2.3.1 and
bundler 1.13.2

Bundler does not load the gem for a unknown reason.
We are going to investigate later.

privatt/privatt-agile-tracker,jimbeaudoin/agile-tracker,jimbeaudoin/agile-tracker,privatt/privatt-agile-tracker,privatt/privatt-agile-tracker,jimbeaudoin/agile-tracker