Update stop-opacity for Safari iOS and remove duplications (#9402)#9468

Merged

ddbeck merged 2 commits intomdn:masterfrom Havegum:master

Mar 16, 2021

+10-51

Commits on Mar 15, 2021

Added stop-opacity compatibility data for safari ios and removed the stop-opacity from svg.attributes.presentation (#9402 )
Havegum
committed

Commits on Mar 16, 2021

added "mdn_url"-key to stop-opacity support
Havegum
committed