chore: remove obsolete flyte config files #3009

Job	Run time
unpack-envvars	1s
Docker Build Images (flyteadmin) / build_docker	2m 58s
Docker Build Images (datacatalog) / build_docker	2m 10s
Docker Build Images (flytecopilot) / build_docker	2m 9s
Docker Build Images (flytepropeller) / build_docker	3m 2s
Build Images / Build & Push Image (flyteadmin) / Push to Github Registry	3m 13s
Build Images / Build & Push Image (datacatalog) / Push to Github Registry	2m 33s
Build Images / Build & Push Image (flytecopilot) / Push to Github Registry	2m 37s
Build Images / Build & Push Image (flytepropeller) / Push to Github Registry	3m 57s
Build Images / Build & Push Image (flytescheduler) / Push to Github Registry	3m 12s
Check Go Generate (datacatalog) / Go Generate	1m 35s
Check Go Generate (flytecopilot) / Go Generate	1m 38s
Check Go Generate (flyteadmin) / Go Generate	2m 31s
Check Go Generate (flytepropeller) / Go Generate	2m 15s
Lint (flyteadmin) / Run Lint	3m 8s
Lint (datacatalog) / Run Lint	2m 23s
Lint (flyteplugins) / Run Lint	3m 3s
Lint (flyteidl) / Run Lint	1m 54s
Lint (flytepropeller) / Run Lint	3m 11s
Unit Tests (datacatalog) / Run Unit Test	3m 38s
Lint (flytestdlib) / Run Lint	2m 33s
Unit Tests (flyteadmin) / Run Unit Test	4m 29s
Unit Tests (flytecopilot) / Run Unit Test	2m 44s
Unit Tests (flyteplugins) / Run Unit Test	4m 3s
Unit Tests (flytepropeller) / Run Unit Test	4m 18s
Unit Tests (flytestdlib) / Run Unit Test	3m 39s
Integration Test (flyteadmin) / Integration tests	5m 42s
	1h 18m 36s

Provide feedback