Remove dockerfiles from subfolder (#4715) #1484

Job	Run time
unpack-envvars	1s
Docker Build Images (datacatalog) / build_docker	2m 20s
Docker Build Images (flyteadmin) / build_docker	2m 56s
Docker Build Images (flytecopilot) / build_docker	2m 15s
Docker Build Images (flytepropeller) / build_docker	3m 1s
Build Images / Build & Push Image (flyteadmin) / Push to Github Registry	3m 37s
Build Images / Build & Push Image (datacatalog) / Push to Github Registry	2m 32s
Build Images / Build & Push Image (flytepropeller) / Push to Github Registry	3m 46s
Build Images / Build & Push Image (flytecopilot) / Push to Github Registry	2m 26s
Build Images / Build & Push Image (flytescheduler) / Push to Github Registry	3m 23s
Lint (flyteplugins) / Run Lint	3m 0s
Lint (flyteidl) / Run Lint	1m 51s
Lint (flyteadmin) / Run Lint	3m 22s
Lint (datacatalog) / Run Lint	2m 29s
Lint (flytepropeller) / Run Lint	3m 21s
Lint (flytestdlib) / Run Lint	2m 50s
Check Go Generate (flyteadmin) / Go Generate	2m 31s
Check Go Generate (datacatalog) / Go Generate	1m 22s
Check Go Generate (flytecopilot) / Go Generate	1m 20s
Check Go Generate (flytepropeller) / Go Generate	2m 25s
Unit Tests (datacatalog) / Run Unit Test	3m 0s
Unit Tests (flyteadmin) / Run Unit Test	4m 27s
Unit Tests (flytecopilot) / Run Unit Test	2m 33s
Unit Tests (flyteplugins) / Run Unit Test	3m 48s
Unit Tests (flytepropeller) / Run Unit Test	4m 16s
Unit Tests (flytestdlib) / Run Unit Test	3m 50s
Integration Test (flyteadmin) / Integration tests	5m 46s
	1h 18m 28s

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