remove_column

# File activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb, line 253
      def remove_column(table_name, column_name, type = nil, options = {}) #:nodoc:
        alter_table(table_name) do |definition|
          definition.remove_column column_name
          definition.foreign_keys.delete_if do |_, fk_options|
            fk_options[:column] == column_name.to_s
          end
        end
      end