Remove duplicate column

Removes sales.la_known from a later migration

db/migrate/20221018221143_add_postcode_to_sales_log.rb

@@ -5,9 +5,7 @@ class AddPostcodeToSalesLog < ActiveRecord::Migration[7.0]
       t.column :pcode1, :string, default: nil # Outcode e.g. SE27
       t.column :pcode2, :string, default: nil # Incode e.g. 0HG
       t.column :pcodenk, :boolean, default: true # Not Known
-
       t.column :postcode_known, :integer
-      t.column :la_known, :integer
     end
   end
 end