Update llamactl disclaimers to beta

[adrianlyjak]

Update llamactl documentation disclaimers from alpha to beta preview and remove early sign-up links, as cloud deployments will be broadly available shortly

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Linear Issue: LI-4583

 

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Latest commit: e248e1d

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[coveralls]

Pull Request Test Coverage Report for Build 19680836931

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 87.457%

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Totals
Change from base Build 19645232104:	0.0%
Covered Lines:	8869
Relevant Lines:	10141

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💛 - Coveralls