chore(v→zig): delete stale vendored V files from verisimdb subtree #26

Job	Run time
governance / Security policy checks	41s
governance / Code quality + docs	25s
governance / Language / package anti-pattern policy	43s
governance / Validate Hypatia baseline	34s
governance / Workflow security linter	25s
governance / Well-Known (RFC 9116 + RSR)	38s
governance / Trusted-base reduction policy	34s
governance / Licence consistency	36s
governance / Guix primary / Nix fallback policy	38s
	5m 14s

Provide feedback