Where did you hear about the funding being removed? As far as I'm aware the plans are pressing ahead to expand the motorway to 4 lanes each at Junction 10 and press ahead with the dual carriageway to the airport. This is a must for the airport and there would be an outcry if it wasn't going ahead.
A football club is also hoping the road improvements go ahead as its vital for their existence that a new stadium is built at junction 10, so any removal or reduction in funding would be fiercely opposed.