Revert "Removed Javascript from Markdown by adding display priority to def config."

This reverts commit 58e05f9625c60f8deba9ddf1c74dba73e8ea7dd1.

IPython/nbconvert/exporters/markdown.py

@@ -1,49 +1,43 b''
 """Markdown Exporter class"""
 
 #-----------------------------------------------------------------------------
 # Copyright (c) 2013, the IPython Development Team.
 #
 # Distributed under the terms of the Modified BSD License.
 #
 # The full license is in the file COPYING.txt, distributed with this software.
 #-----------------------------------------------------------------------------
 
 #-----------------------------------------------------------------------------
 # Imports
 #-----------------------------------------------------------------------------
 
 from IPython.config import Config
 
 from .templateexporter import TemplateExporter
 
 #-----------------------------------------------------------------------------
 # Classes
 #-----------------------------------------------------------------------------
 
 class MarkdownExporter(TemplateExporter):
     """
     Exports to a markdown document (.md)
     """
     
     def _file_extension_default(self):
         return 'md'
 
     def _template_file_default(self):
         return 'markdown'
 
     output_mimetype = 'text/markdown'
     
     def _raw_mimetypes_default(self):
         return ['text/markdown', 'text/html', '']
 
     @property
     def default_config(self):
-        c = Config({
-            'NbConvertBase': {
-                'display_data_priority': ['html', 'application/pdf', 'svg', 'latex', 'png', 'jpg', 'jpeg' , 'text']
-            },
-            'ExtractOutputPreprocessor': {
-                'enabled':True}
-            })
+        c = Config({'ExtractOutputPreprocessor':{'enabled':True}})
         c.merge(super(MarkdownExporter,self).default_config)
         return c