chore(starknet_integration_tests): remove task_executor #8197

Job	Run time
executable-run	13m 10s
executable-run-no-rpc	12m 32s
build-papyrus-utilities-image	29s
integration-test	27m 2s
random-table-test	2m 28s
test-no-rpc	7m 2s
	1h 2m 43s

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