removing letter opener gem from test environment, as it is only needed in dev
removing letter opener gem from test environment, as it is only needed in dev

not-far-from-the-tree/epm,not-far-from-the-tree/epm,bianca/epm,not-far-from-the-tree/epm,bianca/epm,michaelfagan/epm,bianca/epm,michaelfagan/epm,michaelfagan/epm