fix: remove mainnet hosted graph #11983

Job	Run time
build-and-push-cartographer-image	0s
build-and-push-lighthouse-prover-subscriber-image	0s
build-and-push-lighthouse-image	0s
build-and-push-relayer-image	0s
build-and-push-router-executor-image	0s
build-and-push-router-publisher-image	0s
build-and-push-router-subscriber-image	0s
build-and-push-sdk-server-image	0s
build-and-push-sequencer-publisher-image	0s
build-and-push-sequencer-server-image	0s
build-and-push-sequencer-subscriber-image	0s
build-and-push-watcher-image	0s
build-and-test	18m 37s
smoke-tests	0s
terraform-infra	0s
terraform-services-core-staging-testnet	0s
terraform-services-backend-staging-testnet	0s
e2e-tests	0s
terraform-services-core-prod-testnet	0s
terraform-services-backend-prod-testnet	0s
terraform-services-core-prod-mainnet	0s
terraform-services-backend-prod-mainnet	0s
	18m 37s

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