Whether 28 U.S.C. §1443(1) permits removal to federal court when a pro se litigant with disabilities alleges systemic discrimination, retaliation, and structural exclusion by a state court in violation of the Americans with Disabilities Act (ADA) and the Fourteenth Amendment or whether §1443(1) is categorically limited to rights stated in racial terms, despite modern equal protection jurisprudence recognizing race neutral civil rights protections