refactor: remove blank line

spec/services/csv/scheme_csv_service_spec.rb

@@ -72,7 +72,6 @@ RSpec.describe Csv::SchemeCsvService do
     let(:download_type) { "locations" }
     let(:location_attributes) { %w[scheme_code location_code location_postcode location_name location_status location_local_authority location_units location_type_of_unit location_mobility_type location_admin_district location_active_dates] }
 
-
     it "has the correct headers" do
       expect(headers).to eq(location_attributes)
     end