NFL star DeSean Jackson is seeking full custody of his two sons shared with ex Kayla Phillips, RadarOnline.com has learned, claiming she only saw the boys “twice” last year after getting swept up in a religious group with the new man she is dating. According to the shocking docs filed on Wednesday in LA, Jackson explained that he moved back to California after he and Phillips called it quits in 2020. He noted the former couple lived together for three years in Florida and share two children, DeSean Jackson, 8, and Jace Jackson, 5. Last February, Jackson said he went to Florida to bring the chi…