MONTREAL – Cogeco’s radio subsidiary Cogeco Diffusion Inc. has sold off Métromédia CMR Plus Inc. (Cogeco Métromédia) almost four years to the date that it first acquired the transit advertising company.The company said Tuesday that Cogeco Métromédia has been sold to Bell Media Inc., the owner of Astral Out of Home. Financial terms of the deal were not disclosed.Cogeco Métromédia is an out-of-home advertising company specializing in the public transit sector."Our experience with Cogeco Métromédia has been both positive and profitable," said president and CEO Louis Audet, in the news release. "We have been in the media industry since Cogeco's inception in...