Bit late for that:

Kennedy Withdraws From Presidential Contest in Arizona

https://www.nytimes.com/2024/08/22/us/elections/rfk-jr-arizo...

    Robert F. Kennedy Jr. has filed paperwork to withdraw from the presidential race in Arizona, a spokesman for the Arizona secretary of state’s office said on Thursday night.

    The move comes a day before Mr. Kennedy, an independent candidate, is set to give an address in Arizona about the future of his struggling campaign.