California teen Shaylee Mejia’s cause of death has been determined as sequelae of blunt head trauma, RadarOnline.com has learned. Her manner of death is classified as an “accident,” according to online records from the Los Angeles County Medical Examiner. The case remains open and her body is ready for release, meaning her family can now make funeral arrangements. RadarOnline.com has reached out to the LAPD for further comment. The developments come days after her mother, Maria Juarez, claimed that Shaylee tragically died from injuries she sustained during a fight with a bully inside a bathroo…