Remove dead code in preparation for read replicas #7679

Job	Run time
Dry Run Goreleaser	11m 16s
Test Getting started	7m 30s
flyteadmin integration tests image / build_docker	4m 6s
Lint (flytectl) / Run Lint	3m 20s
Lint (flytestdlib) / Run Lint	2m 27s
Lint (flytepropeller) / Run Lint	3m 14s
Lint (datacatalog) / Run Lint	2m 50s
Lint (flyteidl) / Run Lint	2m 8s
Lint (flyteplugins) / Run Lint	2m 58s
Check Go Generate (flytecopilot) / Go Generate	2m 7s
Check Go Generate (flyteadmin) / Go Generate	3m 20s
Lint (flyteadmin) / Run Lint	4m 20s
Check Go Generate (datacatalog) / Go Generate	2m 11s
Check Go Generate (flytectl) / Go Generate	3m 8s
Unit Tests (flytestdlib) / Run Unit Test	4m 38s
Check Go Generate (flytepropeller) / Go Generate	3m 44s
Unit Tests (flyteadmin) / Run Unit Test	6m 41s
Lint (flytecopilot) / Run Lint	2m 5s
Unit Tests (flyteplugins) / Run Unit Test	5m 53s
Unit Tests (flytepropeller) / Run Unit Test	4m 51s
Unit Tests (datacatalog) / Run Unit Test	3m 53s
Build Images / Build & Push Image (datacatalog) / Push to Github Registry	6m 58s
Unit Tests (flytecopilot) / Run Unit Test	3m 36s
Build Images / Build & Push Image (flytepropeller) / Push to Github Registry	9m 12s
Build Images / Build & Push Image (flyteadmin) / Push to Github Registry	11m 26s
Build Images / Build & Push Image (flytescheduler) / Push to Github Registry	9m 9s
Unit Tests (flytectl) / Run Unit Test	5m 14s
Build Images / Build & Push Image (flytecopilot) / Push to Github Registry	4m 53s
Integration Test (flyteadmin) / Integration tests	6m 36s
	2h 23m 44s

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