Add heartbeat to cms

lms/djangoapps/heartbeat/urls.py

@@ -1,5 +0,0 @@
-from django.conf.urls import *
-
-urlpatterns = patterns('',
-    url(r'^$', 'heartbeat.views.heartbeat', name='heartbeat'),
-)

lms/djangoapps/heartbeat/views.py

@@ -1,15 +0,0 @@
-import json
-from datetime import datetime
-from django.http import HttpResponse
-from xmodule.modulestore.django import modulestore
-
-
-def heartbeat(request):
-    """
-    Simple view that a loadbalancer can check to verify that the app is up
-    """
-    output = {
-        'date': datetime.now().isoformat(),
-        'courses': [course.location.url() for course in modulestore().get_courses()],
-    }
-    return HttpResponse(json.dumps(output, indent=4))