By Emma Wilson Prince Harry reportedly didn’t visit his “only friend” left in the UK during his whistle stop visit to London. The 39-year-old flew to be by his father King Charles’ side on Monday, as it was announced the monarch had been diagnosed with a type of cancer following a procedure on an enlarged prostate. Many hoped the brief reunion at Clarence House would help reconcile the estranged father and son, but it later emerged Harry had spent less than 30 minutes with his father, before the King flew to Sandringham in Norfolk. While in the country, Harry also failed to see his brother Pri…