V48 (impl-only): Drop nav info explainers #1428

Job	Run time
Lint, Type-Check & Build	1m 14s
Validate GitHub Actions workflows	14s
CodeQL Analysis	-1s
Unit & Integration Tests (mocks)	0s
Super Linter (misc files)	0s
E2E, Visual & DB Tests	-1s
	1m 26s

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