Remove dead code

lib/mutant/mutation/filter/code.rb

@@ -1,49 +0,0 @@
-# encoding: utf-8
-
-module Mutant
-  class Mutation
-    class Filter
-      # Mutation filter that filters on mutation codes
-      class Code < self
-        include Concord::Public.new(:code)
-
-        # Test for match
-        #
-        # @param [Mutation] mutation
-        #
-        # @return [true]
-        #   returns true if mutation code matches filter code
-        #
-        # @return [false]
-        #   returns false otherwise
-        #
-        # @api private
-        #
-        def match?(mutation)
-          mutation.code.eql?(code)
-        end
-
-        PATTERN = /\Acode:(?<code>[a-f0-9]{1,6})\z/.freeze
-
-        # Test if class handles string
-        #
-        # @param [String] notation
-        #
-        # @return [Filter]
-        #   return code filter instance if notation matches pattern
-        #
-        # @return [nil]
-        #   returns nil otherwise
-        #
-        # @api private
-        #
-        def self.handle(notation)
-          match = PATTERN.match(notation)
-          return unless match
-          new(match[:code])
-        end
-
-      end # Code
-    end # Filter
-  end # Mutation
-end # Mutant