fix(community): video channel

[lidel]

This is a cosmetic change that removes mention of "This Month in IPFS" and just links to "video channel":

Linking to channel feels better than linking to something we can't sustain (the last "This Month in IPFS" happened 5 months ago)

[vercel[bot]]

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Name	Status	Preview	Comments	Updated (UTC)
ipfs-website	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Sep 15, 2023 7:43pm

[cwaring]

Agree, this content is already stale. Thanks for the patch!