chore: Remove old frontend docs #498

Job	Run time
General Pull Request Checks / Run Cargo Deny (bans licenses sources)	56s
General Pull Request Checks / Run Cargo Tests	1m 3s
General Pull Request Checks / Run Cargo Udeps	2m 37s
General Pull Request Checks / Run Cargo Deny (advisories)	47s
General Pull Request Checks / Run RustDoc	6m 59s
General Pull Request Checks / All tests passed	3s
Helm Chart Check	25s
Publish amd64 Image	14m 42s
Publish arm64 Image	12m 36s
Build and publish manifest list	49s
	40m 57s

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