Update gateway URLs to omit gateway. prefix

[ghost]

I noticed occurances of gateway.ipfs.io in my everyday usage of companion -- assuming these were leftovers I went and changed them to just ipfs.io.

[lidel]

I kinda left that on purpose there 🙃, so user of redirect-based handler in Firefox gets an explicit hint that a HTTP gateway will be used, not the native protocol:

I'd left it as-is until we move to dweb.link and subdomains, but if you think it makes sense to change it to ipfs.io, redirect endpoint needs to also be updated in:

https://github.com/ipfs-shipyard/ipfs-companion/blob/0b5635a4dd155d8e996659d2b04c3810b8b00ca7/add-on/src/lib/ipfs-request.js#L203

[ivan386]

Do not use ipfs.io instead of gateway.ipfs.io. It have dnslink record. This a problem when redirect this address to local gateway.

[lidel]

@ivan386 the problem you describe (dnslink clashing with gateway feature on same host) should be fixed in the latest beta, see PR #518 for details.
It will land to stable soon. The fix landed in v2.4.3.

[ghost]

I kinda left that on purpose there upside_down_face, so user of redirect-based handler in Firefox gets an explicit hint that a HTTP gateway will be used, not the native protocol [...] I'd left it as-is until we move to dweb.link and subdomains

Understood, makes perfect sense :)

[lidel]

Alright, we will change this after move to dweb.link :)