Don't delete the folder itself, but yes, you can clear it. There's a clear cache option in the user preferences/performance tab.
User Preferences / Performance Tab “Quick Quality Settings” are presets you can use to quickly boost your FPS or improve the visual quality of the VaM experience. There are a variety of choices from “Ultra Low” to “Max” quality. When you change any of the settings away from the presets it is...
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