Split societies from 'Achievements for Thalia' to different header on profile

One-sentence description

Split societies from 'Achievements for Thalia' to different header on profile

Current behaviour / Reproducing the bug

Societies are in the 'Achievements for Thalia' section on user profiles. See https://thalia.nu/members/profile/2.

Expected behaviour

Societies are in a different section, at least not displayed in the previously mentioned section.

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