Remove mcp.nix/mcpkg.nix, MCP firewall ports, MCNS nameserver, and ~mcp.metacircular.net. Leave LUKS FIDO2. Do not delete /srv/mcp.
Remove mcp.nix/mcpkg.nix, MCP firewall ports, MCNS nameserver, and ~mcp.metacircular.net. Leave LUKS FIDO2. Do not delete /srv/mcp.