[css-cascade] Remove some issues, closed no change.

--HG--
extra : rebase_source : e08eda725ca8a61579289a0d4bb06bc39d6dbfff
[css-text-decor] Undefine text-decoration positions, since this is still an issue.

--HG--
extra : rebase_source : 070c78d35fcfd5a9ce6eca7c4c3132b0c209c979