Replace lrc.businesslink.gov.uk lrc/lrcOutbound rule with mappings (and associated tests)
Remove custom lrc maps and generation tools
Merge pull request #884 from rjc123/businesslink_lrc

Replace lrc.businesslink.gov.uk lrc/lrcOutbound rule with mappings
Remove lrc/lrcReturn rule and associated mapping config files
Remove global 410 configuration from businesslink_lrc site
Remove lrc/lrcReturn rule and associated mapping config files
Shift lrc.businesslink.gov.uk to be managed by transition