ci: Remove duplicate docker-build job #3328

Job	Run time
unpack-envvars	1s
Docker Build Images (datacatalog) / build_docker	2m 10s
Docker Build Images (flyteadmin) / build_docker	2m 46s
Docker Build Images (flytecopilot) / build_docker	2m 8s
Docker Build Images (flytepropeller) / build_docker	3m 10s
Lint (datacatalog) / Run Lint	2m 30s
Lint (flyteadmin) / Run Lint	3m 11s
Lint (flytectl) / Run Lint	2m 40s
Lint (flyteidl) / Run Lint	1m 51s
Lint (flytepropeller) / Run Lint	3m 12s
Lint (flytestdlib) / Run Lint	2m 34s
Check Go Generate (datacatalog) / Go Generate	1m 33s
Lint (flyteplugins) / Run Lint	3m 2s
Check Go Generate (flyteadmin) / Go Generate	2m 19s
Check Go Generate (flytectl) / Go Generate	2m 9s
Check Go Generate (flytepropeller) / Go Generate	2m 9s
Check Go Generate (flytecopilot) / Go Generate	1m 33s
Unit Tests (datacatalog) / Run Unit Test	3m 5s
Unit Tests (flyteadmin) / Run Unit Test	4m 22s
Unit Tests (flytecopilot) / Run Unit Test	2m 46s
Unit Tests (flytectl) / Run Unit Test	3m 32s
Unit Tests (flyteplugins) / Run Unit Test	3m 49s
Unit Tests (flytepropeller) / Run Unit Test	4m 19s
Unit Tests (flytestdlib) / Run Unit Test	3m 40s
Integration Test (flyteadmin) / Integration tests	6m 0s
	1h 10m 31s

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