housekeeping: removes targetBlankLinkRenderer utility (#5827) #34018

Job	Run time
build	3m 16s
aggregator_test	6m 38s
test-playwright-e2e-shard-1-of-2	5m 40s
Same wasms for mainnet and local	13s
Upload assets	17s
test-rest	4m 14s
test-playwright-e2e-shard-2-of-2	6m 44s
test-test-account-api	1m 13s
test-upgrade-downgrade	2m 23s
test-upgrade-stable	1m 42s
build-pass	4s
	32m 24s

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