Adds the six metropolitan counties, which were entirely missing from GB.yaml:
GB-GTM Greater Manchester
GB-MSY Merseyside
GB-SYK South Yorkshire
GB-TWR Tyne and Wear
GB-WMD West Midlands
GB-WYK West Yorkshire
Adds the six metropolitan counties, which were entirely missing from GB.yaml:
GB-GTM Greater Manchester
GB-MSY Merseyside
GB-SYK South Yorkshire
GB-TWR Tyne and Wear
GB-WMD West Midlands
GB-WYK West Yorkshire