chore: use PascalCase for PolicyIds and remove ValidatorHashes because its unused #1334

Job	Run time
build	7m 24s
deploy-argocd	34s
deploy-rustdoc	0s
local-environment-tests	6m 38s
devshell-tests (nixos)	20s
devshell-tests (macos)	47s
local-environment-tests-post-merge	0s
upload-chain-specs	0s
local-environment-tests-post-merge-alert	0s
post-merge-actions-complete	0s
argocd-tests	2m 30s
teardown-argocd	43s
pre-merge-checks-complete	2s
local-environment-tests-alert	6s
	19m 4s

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