refactor(@angular-devkit/architect-cli): remove unused progress bar f… #2716

Job	Run time
list	35s
workflow (devkit-core-tests)	1m 19s
workflow (build-cli)	1m 51s
workflow (build-unit-tests)	2m 21s
workflow (modules-builder-tests)	1m 39s
workflow (devkit-core-tests-rerun)	1m 22s
	9m 7s

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