FARNBOROUGH, England (Reuters) – Rolls-Royce on Wednesday said its chief executive had not speculated that Raytheon Technologies might spin off rival engine maker Pratt & Whitney (P&W), rejecting a report published by an aviation website. “We would never comment on another company’s structure and did not do so on this occasion,” a Rolls-Royce spokesperson said. Asked by “The Air Current” if a potential Raytheon spin-off of P&W might change the conversation regarding Rolls and P&W possibly collaborating on engines for narrowbody airliners, CEO Warren East replied “Well, it might”. East previous…