chore: Remove redundant `convertSlugToName` util #5094

Job	Run time
Check file changes	5s
Run API Tests	1m 21s
Run Integration tests	3m 22s
Build React App	4m 20s
E2E tests	7m 46s
Generate Hasura Change Summary	0s
Run React Tests	0s
Upsert Vultr Instance	18m 37s
Run Pulumi Preview	0s
Run Healthcheck on Pizza Services	48s
	36m 19s

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