By Frank Dalleres Judy Murray has scrapped plans for a £20m tennis, padel and pickleball centre in Park of Keir near the family home in Dunblane – despite securing £10m in funding. The mother of Grand Slam-winning players Andy Murray and Jamie Murray blamed rising costs and drawn-out talks with planning chiefs and other authorities for the U-turn over a facility billed as the brothers’ legacy. “It is with deep regret and sorrow that we bring this project to an end, and with it a unique opportunity for a sporting legacy from the careers of two young men from Dunblane who reached the top of thei…