Don't use bom in Psych since we don't support it yet

lib/19/psych.rb

@@ -159,7 +159,7 @@ def self.parse yaml, filename = nil
   #
   # Raises a Psych::SyntaxError when a YAML syntax error is detected.
   def self.parse_file filename
-    File.open filename, 'r:bom|utf-8' do |f|
+    File.open filename, 'r:utf-8' do |f|
       parse f, filename
     end
   end
@@ -294,7 +294,7 @@ def self.load_stream yaml, filename = nil
   # Load the document contained in +filename+.  Returns the yaml contained in
   # +filename+ as a ruby object
   def self.load_file filename
-    File.open(filename, 'r:bom|utf-8') { |f| self.load f, filename }
+    File.open(filename, 'r:utf-8') { |f| self.load f, filename }
   end
 
   # :stopdoc: