Put a 3 x10 wood screw in one of the holes, cock it so that the threads grip into the sides of the hole, use a set of pliers and apply steady pull outwards and it'll pop right out.
If you need a picture of how to do this shoot me an email and I'll send you a picture
Good luck
Peter
If you need a picture of how to do this shoot me an email and I'll send you a picture
Good luck
Peter