Any doubt over who will be calling the shots on West Ham transfers this summer between Tim Steidten and David Moyes is being put to bed. West Ham are already being linked with a host of summer transfers. And as things stand David Moyes is not certain to be West Ham’s manager by then. It has been made perfectly clear that Hammers technical director Tim Steidten will have full control of recruitment from this summer. Until now Moyes had power of veto as per the fine print of his existing West Ham contract. As I exclusively revealed last month, the Scot’s new contract – should he sign it – is ‘su…