[CHIA-1640] simplify pre_validate_blocks_multiprocessing() #30048

Job	Run time
version / identify version	47s
Build amd64 RPM (3.10, intel)	15m 12s
Test amazonlinux:2023 GUI Dirty	1m 40s
Test amazonlinux:2023 GUI Clean	53s
Test amazonlinux:2023 CLI Dirty	37s
Test amazonlinux:2023 CLI Clean	38s
Test fedora:37 GUI Dirty	1m 26s
Test fedora:37 GUI Clean	1m 15s
Test fedora:37 CLI Dirty	1m 2s
Test fedora:37 CLI Clean	1m 8s
Test fedora:38 GUI Dirty	1m 48s
Test fedora:38 GUI Clean	1m 35s
Test fedora:38 CLI Dirty	1m 2s
Test fedora:38 CLI Clean	1m 0s
Test rockylinux:8 GUI Dirty	1m 10s
Test rockylinux:8 GUI Clean	1m 2s
Test rockylinux:8 CLI Dirty	35s
Test rockylinux:8 CLI Clean	35s
Test rockylinux:9 GUI Dirty	1m 11s
Test rockylinux:9 GUI Clean	1m 6s
Test rockylinux:9 CLI Dirty	41s
Test rockylinux:9 CLI Clean	48s
Test build image GUI Dirty	1m 46s
Test build image GUI Clean	1m 50s
📦 Publish Installers (3.10, redhat, RPM, rpm, rpm, linux, x86_64, chia-blockchain-cli-{0}-1.{2}.... / Publish Intel GUI RPM	21s
Test build image CLI Dirty	1m 14s
📦 Publish Installers (3.10, redhat, RPM, rpm, rpm, linux, x86_64, chia-blockchain-cli-{0}-1.{2}.... / Publish Intel CLI RPM	22s
Test build image CLI Clean	1m 39s
	44m 23s

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