Remove unused environment variable #5434

Job	Run time
unpack-envvars	1s
flyteadmin integration tests image / build_docker	4m 52s
Build Images / Build & Push Image (datacatalog) / Push to Github Registry	4m 13s
Build Images / Build & Push Image (flyteadmin) / Push to Github Registry	5m 37s
Build Images / Build & Push Image (flytecopilot) / Push to Github Registry	4m 3s
Build Images / Build & Push Image (flytepropeller) / Push to Github Registry	6m 6s
Build Images / Build & Push Image (flytescheduler) / Push to Github Registry	5m 48s
Dry Run Goreleaser	7m 26s
Test Getting started	7m 30s
Check Go Generate (datacatalog) / Go Generate	1m 21s
Check Go Generate (flytecopilot) / Go Generate	1m 26s
Check Go Generate (flyteadmin) / Go Generate	2m 18s
Check Go Generate (flytectl) / Go Generate	2m 4s
Check Go Generate (flytepropeller) / Go Generate	2m 5s
Lint (datacatalog) / Run Lint	2m 18s
Lint (flyteadmin) / Run Lint	3m 0s
Lint (flytectl) / Run Lint	2m 40s
Lint (flyteidl) / Run Lint	1m 50s
Lint (flyteplugins) / Run Lint	2m 53s
Lint (flytepropeller) / Run Lint	3m 6s
Lint (flytestdlib) / Run Lint	2m 33s
Unit Tests (datacatalog) / Run Unit Test	2m 55s
Unit Tests (flytecopilot) / Run Unit Test	2m 33s
Unit Tests (flyteplugins) / Run Unit Test	3m 47s
Unit Tests (flyteadmin) / Run Unit Test	4m 32s
Unit Tests (flytectl) / Run Unit Test	3m 41s
Unit Tests (flytepropeller) / Run Unit Test	4m 22s
Unit Tests (flytestdlib) / Run Unit Test	4m 35s
Integration Test (flyteadmin) / Integration tests	6m 5s
	1h 45m 40s

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