Pop star Britney Spears suddenly deleted her Instagram account after uploading a scathing post discussing what her family put her through in her conservatorship. Spears told her 42 million fans on Sunday that she felt she had received “no justice” after the shocking settlement in her conservatorship lawsuit. The ‘Toxic’ singer said that as a result of her mistreatment, she has suffered “nerve damage in her back.” “I have to get acupuncture [sic] every day of my life now !!!,” she captioned a photo of her bare backside. “If people only knew how I’ve had to crawl to my own door one time !!!” She…