Don't need yaml anymore (https://youtrack.jetbrains.com/issue/RUBY-16721)

Author: os97673

lib/ruby-debug-ide/xml_printer.rb

@@ -1,5 +1,4 @@
 require 'cgi'
-require 'yaml'
 require 'monitor'
 
 module Debugger
@@ -332,7 +331,6 @@ def print(*params)
     end
 
     def handle_binary_data(value)
-      # noinspection RubyResolve
       return '[Binary Data]' if (value.respond_to?('is_binary_data?') && value.is_binary_data?)
       return '[Invalid encoding]' if (value.respond_to?('valid_encoding?') && !value.valid_encoding?)
       value