Fixes #6; USA-VA -= cruft
Added Malta; fixes #7.
Update Clay.geo.json

Remove Clayton county from the USA/GA/Clay.geo.json file
Update Clay.geo.json

Remove Clayton county from the USA/IA/Clay.geo.json file
Update Ada.geo.json

Remove Adams county from the USA/ID/Ada.geo.json file
Update Henry.geo.json

Remove McHenry county from the USA/IL/Henry.geo.json file
Update White.geo.json

Remove Whiteside county from the USA/IL/White.geo.json file
Update Will.geo.json

Remove Williamson county from the USA/IL/Will.geo.json file
Update Green.geo.json

Remove Greenup county from the USA/KY/Green.geo.json file
Update Jefferson.geo.json

Remove Jefferson Davis county from the USA/LA/Jefferson.geo.json file
Update Lake.geo.json

Remove Lake of the Woods and Red Lake counties from the USA/MN/Lake.geo.json file
Update Jefferson.geo.json

Remove Jefferson Davis county from the USA/MS/Jefferson.geo.json file
Update Valley.geo.json

Removed Golden Valley county from the USA/MT/Valley.geo.json file
Update Chester.geo.json

Removed Chesterfield county from the USA/SC/Chester.geo.json file
Update Collin.geo.json

Removed Collingsworth county from the USA/TX/Collin.geo.json file
Update Gray.geo.json

Removed Grayson county from the USA/TX/Gray.geo.json file
Update Harris.geo.json

Removed Harrison county from the USA/TX/Harris.geo.json file
Update Jack.geo.json

Removed Jackson county from the USA/TX/Jack.geo.json file
Update Roberts.geo.json

Removed Robertson county from the USA/TX/Roberts.geo.json file
Update Smith.geo.json

Removed Deaf Smith county from the USA/TX/Smith.geo.json file