Merge pull request #1746 from olleolleolle/fix/drop-compat-with-string-18-19

Drop Ruby 1.8, 1.9 compat layer for String

lib/puma/compat.rb

@@ -1,14 +0,0 @@
-# Provides code to work properly on 1.8 and 1.9
-
-class String
-  unless method_defined? :bytesize
-    alias_method :bytesize, :size
-  end
-
-  unless method_defined? :byteslice
-    def byteslice(*arg)
-      enc = self.encoding
-      self.dup.force_encoding(Encoding::ASCII_8BIT).slice(*arg).force_encoding(enc)
-    end
-  end
-end

lib/puma/server.rb

@@ -6,7 +6,6 @@ require 'puma/thread_pool'
 require 'puma/const'
 require 'puma/events'
 require 'puma/null_io'
-require 'puma/compat'
 require 'puma/reactor'
 require 'puma/client'
 require 'puma/binder'