Undeprecate navigator.platform

[mlesin]

Bug Report

Regarding to mdn/content#14429 platform in NavigatorID interface should not be marked as deprecated.
(https://github.com/microsoft/TypeScript/blob/main/lib/lib.dom.d.ts#L10391)

🔎 Search Terms

• navigator.platform

🕗 Version & Regression Information

• This is the behavior in every version I tried, and I reviewed the FAQ for entries about it.