feat: Drop `adminClient` (2/2) #2939

Job	Run time
Check file changes	4s
Run Integration tests	7m 6s
Run React Tests	0s
Run API Tests	4m 3s
Build React App	7m 30s
E2E tests	14m 6s
Generate Hasura Change Summary	0s
Upsert Vultr Instance	7m 8s
Run Pulumi Preview	0s
Run Healthcheck on Pizza Services	34s
	40m 31s

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