remove invalid comments

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

@@ -1,6 +1,3 @@
-###
-### Script for cloning a course
-###
 from django.core.management.base import BaseCommand, CommandError
 from xmodule.course_module import CourseDescriptor
 from xmodule.contentstore.utils import empty_asset_trashcan

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

@@ -1,9 +1,5 @@
-###
-### Script for cloning a course
-###
 from django.core.management.base import BaseCommand, CommandError
 from xmodule.contentstore.utils import restore_asset_from_trashcan
-from xmodule.modulestore import Location
 
 
 class Command(BaseCommand):