feat(ray): Remove initContainers #3011

Job	Run time
unpack-envvars	1s
Docker Build Images (datacatalog) / build_docker	2m 9s
Docker Build Images (flyteadmin) / build_docker	2m 42s
Docker Build Images (flytecopilot) / build_docker	2m 7s
Docker Build Images (flytepropeller) / build_docker	3m 0s
Build Images / Build & Push Image (datacatalog) / Push to Github Registry	2m 29s
Build Images / Build & Push Image (flyteadmin) / Push to Github Registry	3m 15s
Build Images / Build & Push Image (flytecopilot) / Push to Github Registry	2m 33s
Build Images / Build & Push Image (flytepropeller) / Push to Github Registry	3m 28s
Build Images / Build & Push Image (flytescheduler) / Push to Github Registry	3m 13s
Lint (datacatalog) / Run Lint	2m 25s
Lint (flyteadmin) / Run Lint	3m 14s
Lint (flyteplugins) / Run Lint	3m 1s
Lint (flyteidl) / Run Lint	1m 57s
Lint (flytestdlib) / Run Lint	2m 39s
Lint (flytepropeller) / Run Lint	3m 9s
Unit Tests (datacatalog) / Run Unit Test	3m 2s
Unit Tests (flyteadmin) / Run Unit Test	4m 34s
Unit Tests (flytecopilot) / Run Unit Test	3m 13s
Unit Tests (flytepropeller) / Run Unit Test	4m 19s
Unit Tests (flyteplugins) / Run Unit Test	4m 17s
Unit Tests (flytestdlib) / Run Unit Test	3m 43s
Check Go Generate (datacatalog) / Go Generate	1m 29s
Check Go Generate (flyteadmin) / Go Generate	2m 19s
Check Go Generate (flytecopilot) / Go Generate	1m 30s
Check Go Generate (flytepropeller) / Go Generate	2m 6s
Integration Test (flyteadmin) / Integration tests	5m 55s
	1h 17m 49s

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