removed gcp test cases #4938

Job	Run time
check-formating	1m 25s
unit-tests	5m 51s
build-operator-image	8m 9s
vulnerability-scan	1m 3s
smoke-tests (basic)	1h 10m 50s
smoke-tests (appframeworksS1)	1h 37m 15s
smoke-tests (managerappframeworkc3)	3h 8m 37s
smoke-tests (managerappframeworkm4)	1h 50m 42s
smoke-tests (managersecret)	1h 59m 15s
smoke-tests (managermc)	1h 17m 9s
push-latest	0s
	11h 20m 16s

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