Intel has discontinued Comet Lake-U, Ice Lake-U and Lakefield Hybrid processors. Final shipments of these processors will occur in April 2022, but their discontinuation begins now. Intel only launched its Lakefield Hybrid processors in May 2020.
https://www.notebookcheck.net/Intel-Lakefield-Hybrid-processors-discontinued-a-year-after-their-launch-Comet-Lake-U-and-Ice-Lake-U-retired-too.549508.0.html