Revert "Make import work via mako again, to unblock others while I work on…

Revert "Make import work via mako again, to unblock others while I work on making the LMS work using XModuleDescriptors"

This reverts commit 6ebcfb63.

cms/djangoapps/contentstore/management/commands/import.py

@@ -7,7 +7,6 @@ from keystore.django import keystore
 from raw_module import RawDescriptor
 from lxml import etree
 from fs.osfs import OSFS
-from mako.lookup import TemplateLookup
 
 from path import path
 from x_module import XModuleDescriptor, XMLParsingSystem
@@ -28,6 +27,7 @@ class Command(BaseCommand):
 
         org, course, data_dir = args
         data_dir = path(data_dir)
+        with open(data_dir / "course.xml") as course_file:
 
             class ImportSystem(XMLParsingSystem):
                 def __init__(self):
@@ -53,7 +53,4 @@ class Command(BaseCommand):
                         keystore().update_children(module.url, module.definition['children'])
                     return module
 
-        lookup = TemplateLookup(directories=[data_dir])
-        template = lookup.get_template("course.xml")
-        course_string = template.render(groups=[])
-        ImportSystem().process_xml(course_string)
+            ImportSystem().process_xml(course_file.read())