refactor: move WoT definitions up in a single place

[danielpeintner]

Note: gets rid of partial namespace definitions since they don't seem to work

fixes validation issues mentioned in #477 and https://github.com/w3c/respec/issues/4447

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[zolkis]

Doesn't change any Web IDL, only the prose.

Having conformance classes has been quite a consensus in the group. Not everyone must implement discovery, for instance.
With this change, the normative of the spec (currently a Note) applies to all functionality together at once.

I don't see the benefit of this and should be discussed / agreed in an issue before a PR.

[danielpeintner]

I don't see the benefit of this and should be discussed / agreed in an issue before a PR.

We got an email from @ashimura that unfortunately our current spec is causing issues for the publication, see https://github.com/w3c/respec/issues/4447

I just try to find a solution. Anyhow, @ashimura is trying something else and report back.

[zolkis]

Oh, so we have the partial interface causing a problem? Might be a ReSpec issue?
There's no problems with partial declarations with bikeshed, for instance.

[relu91]

Call 02/10:

• @relu91 we should fix the respec
• @zolkis let's keep discussion conformance classes in Re-evaluate the conformance classes #506, the publication has been fixed by @ashimura.

[danielpeintner]

As decided in #506 we keep using conformance classes -> closing PR