No the ninth did not rule that covid vaccines were not vaccines.
https://redstate.com/jenvanlaar/2024/06/08/huge-9th-circuit-rules-against-la-unifieds-covid-vaccine-mandate-n2175204
The legalese is always interesting to interpret, but Dr. Martin seemed to think what they decided opened up the possibility of lawsuits based on harm. I hope that, at least, is the case.