undo pretty printing of blockvalidationfailures #7210

Job	Run time
config	3s
Download test chain database	3s
Build (9.8.2, 3.12, ubuntu-22.04, false)	2m 34s
Build (9.10.1, 3.12, ubuntu-22.04, false)	2m 34s
Build (9.6.6, 3.12, ubuntu-22.04, false)	4m 11s
Build (9.8.2, 3.12, ubuntu-22.04, true)	2m 26s
Multi-node network tests	0s
Remote tests	0s
Compaction tests	0s
Benchmarks	0s
Validate Devnet Database Snapshot and Replay Pact History	0s
Unit tests	0s
Build and publish docker image	0s
Publish	0s
Run Integration Tests from remote repo	0s
	11m 51s

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