ci: remove runtime version override #1264

Job	Run time
setup	15s
setup	15s
setup	26s
validate-example (actor)	2m 15s
validate-example (actor)	2m 15s
validate-example (configuration)	1m 30s
validate-example (configuration)	1m 30s
validate-example (crypto)	1m 24s
validate-example (crypto)	1m 24s
validate-example (dist-scheduler)	56s
validate-example (dist-scheduler)	56s
validate-example (grpc-service)	2m 19s
validate-example (grpc-service)	2m 19s
validate-example (hello-world)	56s
validate-example (hello-world)	56s
validate-example (pubsub)	1m 55s
validate-example (pubsub)	1m 55s
validate-example (streamsub)	22s
validate-example (streamsub)	51s
validate-example (service)	1m 52s
validate-example (service)	1m 52s
validate-example (socket)	1m 0s
validate-example (socket)	1m 0s
validate-example (workflow)	1m 25s
validate-example (workflow)	1m 25s
validate-example (workflow-parallel)	57s
validate-example (workflow-parallel)	57s
validate-example	0s
	35m 7s

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