The IRS should have automatically adjusted your return and sent you any refund for it. Maybe check your bank account. See IRS question 1 here
https://www.irs.gov/newsroom/2020-unemployment-compensation-exclusion-faqs-topic-d-amended-return-fo...
Check your IRS account and see if they sent it to you
https://www.irs.gov/payments/your-online-account
