West Ham continue to be linked with a late transfer window move for Aston Villa’s Jhon Duran but it is looking increasingly unlikely. West Ham and Aston Villa have been two of the busiest clubs in the summer transfer window. The Premier League rivals have signed nearly 20 players between them. But both the Hammers and Villa may not be done just yet as the window draws to a close on Friday night. West Ham have been involved in protracted, on-off negotiations with Aston Villa for back-up striker Jhon Duran. Hammers technical director Tim Steidten grew tired of the back and forth with Villa count…