Rename terraform lint workink directory
Rename terraform lint workink directory

Terrafom lint is used for all terraform files, not just cloudfront. It
makes more sens to NOT have cloudfront in the name.

alphagov/paas-cf,alphagov/paas-cf,alphagov/paas-cf,alphagov/paas-cf,alphagov/paas-cf,alphagov/paas-cf,alphagov/paas-cf,alphagov/paas-cf