FAQ: Change asm2wasm to past tense

[Artoria2e5]

binaryen has removed asm2wasm in version 97 (WebAssembly/binaryen#3042), since Emscripten stopped using it. Use a fixed-version link to minimize confusion, and change to past tense for good measure.

The https://webassembly.org/getting-started/advanced-tools/ also has a reference to the same link. I think that's the website repo.

[kripken]

How about mentioning wasm2js, which has replaced asm2wasm in binaryen? It is basically a polyfill for wasm, and currently maintained & used in production. I'd suggest replacing the section on asm2wasm with that (unless we want to keep a mention of asm2wasm for historical reasons too).

[Letsgoque]

Done

[Artoria2e5]

aaaaaaaa i have no idea why i did nothing about the wasm2js comment but i am looking into it right n...

hmm. very much still alive, so i do want to mention it now. the question is how.

1. I can just replace the "experiments" (wasm2asm.h) link with wasm2js.h. This would be consistent with the existing change, since the wasm2asm link is ALSO dead.
2. I can alternatively rewrite the whole section to say: "Yes. It exists. It is called wasm2js, is actively maintained and of production quality." There will be no need for any of the existing text really.

any idea on which to choose? i'm not in a making-choices state of consciousness right now.

[Artoria2e5]

ah what the heck i can just do (1) in this PR and do (2) in a new PR. y'all can decide later.