remove encode lib, clean all encoded area.

lib/gitlab/encode.rb

@@ -1,41 +0,0 @@
-# Patch Strings to enable detect_encoding! on views
-require 'charlock_holmes/string'
-module Gitlab
-  module Encode
-    extend self
-
-    def utf8 message
-      # return nil if message is nil
-      return nil unless message
-
-      message.force_encoding("utf-8")
-      # return message if message type is binary
-      detect = CharlockHolmes::EncodingDetector.detect(message)
-      return message if detect[:type] == :binary
-
-      # if message is utf-8 encoding, just return it
-      return message if message.valid_encoding?
-
-      # if message is not utf-8 encoding, convert it
-      if detect[:encoding]
-        message.force_encoding(detect[:encoding])
-        message.encode!("utf-8", detect[:encoding], undef: :replace, replace: "", invalid: :replace)
-      end
-
-      # ensure message encoding is utf8
-      message.valid_encoding? ? message : raise
-
-    # Prevent app from crash cause of encoding errors
-    rescue
-      encoding = detect ? detect[:encoding] : "unknown"
-      "--broken encoding: #{encoding}"
-    end
-
-    def detect_encoding message
-      return nil unless message
-
-      hash = CharlockHolmes::EncodingDetector.detect(message) rescue {}
-      return hash[:encoding] ? hash[:encoding] : nil
-    end
-  end
-end

lib/gitlab/graph/commit.rb

@@ -22,13 +22,13 @@ module Gitlab
         h[:parents] = self.parents.collect do |p|
           [p.id,0,0]
         end
-        h[:author]  = Gitlab::Encode.utf8(author.name)
+        h[:author]  = author.name
         h[:time]    = time
         h[:space]   = space
         h[:refs]    = refs.collect{|r|r.name}.join(" ") unless refs.nil?
         h[:id]      = sha
         h[:date]    = date
-        h[:message] = escape_once(Gitlab::Encode.utf8(message))
+        h[:message] = escape_once(message)
         h[:login]   = author.email
         h
       end