Fix rendering of stabilization version for trait implementors#81302

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bors merged 2 commits intorust-lang:masterfrom

LeSeulArtichaut:80777-trait-render

Jan 25, 2021

Commits on Jan 23, 2021

Cleanup `render_stability_since_raw` to remove code duplication
LeSeulArtichaut
committed
Fix rendering of stabilization version for trait implementors
LeSeulArtichaut
committed