docs: remove cncf label on homepage

[paularah]

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Removes the CNCF label on the homepage for reasons we've discussed.

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[xmulligan]

I think we should keep this, we just also need to mention that Tetragon is a subproject under Cilium like the website said before the update

[xmulligan]

It should be updated not removed

[mtardy]

for reasons we've discussed

would love to have more context on that discussion 😄

[mtardy]

Given Bill's comment:

It should be updated not removed

I don't have more context sorry

[xmulligan]

The reasons being that right now it looks like Tetragon is a stand alone CNCF project while it is actually under Cilium which is the overarching CNCF project

[mtardy]

The reasons being that right now it looks like Tetragon is a stand alone CNCF project while it is actually under Cilium which is the overarching CNCF project

So what would you suggest on "We are a proud CNCF project", just "We are a proud CNCF project under Cilium" ?

[paularah]

@mtardy PP will handle the update to this. I'll close this if that's fine with you.