AP – Caesars Entertainment Corp. is selling four properties to a separate unit that it controls for about $1.8 billion as it restructures its debt. The sale of Bally’s Las Vegas and the other three properties is valued by the company at about $2.2 billion, when debt and renovations at the Quad Resort & Casino are included. The other assets include Harrah’s New Orleans, and The Cromwell, which will open later this year and was formerly known as Bill’s Gamblin’ Hall & Saloon. Caesars Acquisition Co. expects the deal to close in the second quarter. Caesars Entertainment will manage the…