transition to oos from oos for load balanced multinode rpc #485

Job	Run time
detect-modules	6s
golangci-lint (multinode)	56s
golangci-lint (tools/evm-chain-bindings/examples/basic)	26s
golangci-lint (tools/evm-chain-bindings)	1m 31s
golangci-lint (capabilities)	58s
golangci-lint (metrics)	50s
golangci-lint (chains)	57s
golangci-lint-result	2s
	5m 46s

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