refactor(@angular-devkit/architect): remove redundant internal job sc… #1200

Job	Run time
list	31s
workflow (devkit-core-tests-rerun)	1m 27s
workflow (modules-builder-tests)	1m 38s
workflow (build-cli)	1m 32s
workflow (devkit-core-tests)	1m 25s
workflow (build-unit-tests)	2m 9s
	8m 42s

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