Those cookies are used to remember your cookies consentment preferences. If you clear these cookies, the cookies consentment preferences popup will appear again.
Cookies list:
gdpr_consent_given:
Whether the user (you) has given their cookies consentment and set their preferences, so the cookies consentment popup doesn't appear again.
gdpr_enabled_cookies:
Records which cookies categories the user (you, again) has opted in or out for.