remove 500M test for genesis task #16

Job	Run time
setup-environment	1s
generate-matrix	2s
run-gas-benchmarks (nethermind)	16m 15s
run-gas-benchmarks (geth)	20m 30s
run-gas-benchmarks (reth)	14m 20s
run-gas-benchmarks (erigon)	21m 50s
run-gas-benchmarks (besu)	23m 12s
run-genesis-init-speed-benchmarks (nethermind, 5)	44s
run-genesis-init-speed-benchmarks (nethermind, 10)	47s
run-genesis-init-speed-benchmarks (geth, 5)	30s
run-genesis-init-speed-benchmarks (geth, 10)	35s
run-genesis-init-speed-benchmarks (reth, 5)	30s
run-genesis-init-speed-benchmarks (reth, 10)	30s
run-genesis-init-speed-benchmarks (erigon, 5)	25s
run-genesis-init-speed-benchmarks (erigon, 10)	26s
run-genesis-init-speed-benchmarks (besu, 5)	48s
run-genesis-init-speed-benchmarks (besu, 10)	54s
run-genesis-init-memory-benchmarks (nethermind, 5)	49s
run-genesis-init-memory-benchmarks (nethermind, 10)	51s
run-genesis-init-memory-benchmarks (geth, 5)	1m 6s
run-genesis-init-memory-benchmarks (geth, 10)	57s
run-genesis-init-memory-benchmarks (reth, 5)	1m 3s
run-genesis-init-memory-benchmarks (reth, 10)	51s
run-genesis-init-memory-benchmarks (erigon, 5)	50s
run-genesis-init-memory-benchmarks (erigon, 10)	1m 0s
run-genesis-init-memory-benchmarks (besu, 5)	48s
run-genesis-init-memory-benchmarks (besu, 10)	55s
run-burntpix-benchmarks	5m 11s
push-results	3s
	1h 56m 43s

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