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I take it you mean the glass is damaged. You might be able to polish them out. Can you feel them when you run your finger over them? If so it is unlikely they can be removed. Go to the local glass installer & ask their opinion. New windshields are not that expensive if you need to go that route.
Griot's Glass Cleaning Clay, Fine Glass Polish, and Glass Polish!! Oh, remember to replace your Wiper Blades afterwards, then keep them protected with 303 Aerospace Protectant at every wash!!