chore: Remove old frontend docs #150

Job	Run time
General Pull Request Checks / Run Cargo Deny (bans licenses sources)	48s
General Pull Request Checks / Run Cargo Udeps	2m 24s
General Pull Request Checks / Run Cargo Deny (advisories)	47s
General Pull Request Checks / Run Cargo Tests	1m 1s
General Pull Request Checks / Run RustDoc	7m 20s
General Pull Request Checks / All tests passed	2s
	12m 22s

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