The father of American singer Britney Spears, 71-year-old Jamie Spears, reportedly underwent leg amputation due to an infection, according to TMZ. What happened According to sources, the father of the pop star has contracted a dangerous infection. After five unsuccessful attempts to treat it, doctors have decided to amputate the infected limb. Additionally, according to sources, Spears is planning to rebuild her relationship with her father. Britney Spears (photo: Getty Images) The singer has repeatedly expressed her longing for him and a desire to provide him with financial support. Jamie, hi…