PRETORIA, South Africa — Oscar Pistorius offered $34,000 to the family of girlfriend Reeva Steenkamp after he killed her, but the family rejected the funds because they did not want “blood money,” a prosecutor said at the sentencing hearing today for the double-amputee athlete. Chief prosecutor Gerrie Nel also referred to separate payments of $550 that the Pistorius camp apparently made on a monthly basis to Steenkamp’s family, but said those would be paid back in full. The revelations …