Try removing gcp test cases from int test workflow #4927

Job	Run time
check-formating	1m 28s
unit-tests	5m 59s
build-operator-image	7m 36s
vulnerability-scan	52s
smoke-tests (basic)	1h 9m 50s
smoke-tests (appframeworks1)	2h 21m 25s
smoke-tests (managerappframeworkc3)	3h 21m 32s
smoke-tests (managerappframeworkm4)	2h 5m 2s
smoke-tests (managersecret)	1h 57m 21s
smoke-tests (managermc)	1h 27m 48s
push-latest	0s
	12h 38m 53s

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