>>2361343Looks like Krazy glue or similar glue. There's a lot of products to remove those. Search for products like similar to pic related, there's a few more brands like goo gone, etc. I don't know what's the best brand you will have to do the research.
You will also need a plastic scraper blade. Those are super cheap. From my experience don't start scrapping right away let the glue remover soak the for a few minutes and softly scrap the glue.