Google showing different links in SRRPs

[winter2233]

Google search results are showing my site links in both URLs, "mydomain.com" and "https://mydomain.com". However the one with https is showing a favicon, and the other one is not. So i wanna keep the https one and remove the other one. I went to GSC to submit "mydomain.com" for removal and it said that URL will be deleted in ALL of its variations.So how do i delete the "mydomain.com" links? Should i just index the ones with https again? Would that work?

Someone suggested me to do 301 redirect on all pages that are being displayed twice. But i am not sure if i need to do that since i am using squarespace, and both of the links lead to the same page?

[TOFHA054515]

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