[web-animations-1] Remove "responding to a newly inactive timeline" section? #2080
Description
See: https://drafts.csswg.org/web-animations-1/#responding-to-a-newly-inactive-timeline
Is it needed in this level of the spec?
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See: https://drafts.csswg.org/web-animations-1/#responding-to-a-newly-inactive-timeline
Is it needed in this level of the spec?