Bosses behind the redevelopment of an abandoned high street site say they remain committed to the project despite obstacles dogging the long-awaited scheme. The planned transformation of the huge former Debenhams store in Canterbury into 12 shops and 74 flats was first unveiled almost five years ago. But the site remains a derelict eyesore, sparking fears the scheme could go the same way as a similar £30 million project earmarked for the old Nasons store opposite. KentOnline revealed last month how that vision is now in doubt after financial backers called time on their investment and put the …