Cleanup parsing_spec.rb as the old parser it not there anymore

Author: eregon

spec/truffle/parsing/parsing_spec.rb

@@ -43,11 +43,11 @@
 #
 # To regenerate fixture YAML files with actual AST run the following command:
 #
-#   OVERWRITE_PARSING_RESULTS=true TRUFFLE_PARSING_USE_ORIGINAL_TRANSLATOR=true jt -q mspec spec/truffle/parsing/parsing_spec.rb && OVERWRITE_PARSING_RESULTS=true jt -q test spec/truffle/parsing/parsing_spec.rb
+#   OVERWRITE_PARSING_RESULTS=true jt -q test spec/truffle/parsing/parsing_spec.rb
 #
-# To ensure that fixtures are valid and are passing both on the old and new translator, use:
+# To ensure that fixtures are valid and are passing on the new translator, use:
 #
-#   TRUFFLE_PARSING_USE_ORIGINAL_TRANSLATOR=true jt -q mspec spec/truffle/parsing/parsing_spec.rb && jt -q test spec/truffle/parsing/parsing_spec.rb
+#   jt -q test spec/truffle/parsing/parsing_spec.rb
 #
 # An approach with YAML.dump has some downsides:
 # - it adds a line `---` at a file beginning
@@ -57,7 +57,6 @@
 # So just replace AST in a YAML file using a regexp.
 
 overwrite = ENV['OVERWRITE_PARSING_RESULTS'] == 'true'
-original_parser = ENV['TRUFFLE_PARSING_USE_ORIGINAL_TRANSLATOR'] == 'true'
 fixtures_glob = ENV['TRUFFLE_PARSING_GLOB']
 
 describe "Parsing" do
@@ -102,13 +101,6 @@
           end
         else
           # actual test check
-
-          if original_parser
-            # ignore flags attribute generated by JRuby parser as far as it's not accurate
-            actual_ast.gsub!(/^\s+flags = \d+\n?/, "")
-            expected_ast.gsub!(/^\s+flags = \d+\n?/, "")
-          end
-
           unless actual_ast == expected_ast
             $stderr.puts "\n#{filename}\nYARP AST:", Truffle::Debug.parse_ast(source_code)
           end