Scrape it up after loosened with hairdryer ilor heat gun. Can clean up thin layer with lacquer thinner.
solvent, boiling water and a heavy duty scraper ( and knee pads! ) https://www.concretecamouflage.com/how_to_remove_carpet_glue.cfm
Heat it up with a heat gun and remove the excess with a scraper. You will need a solvent from a hardware store to remove the sticky residue.
I had the same problem. I took small propane torch . Put a little heat on the glue and let soften the glue not to much it might set the glue on fire. Keep a pale of water and towel in the bucket , Now heat let it get soft and scrape the glue with a puddy knife. Just be real careful and good luck.