MIT: CCX. Code Quality fixes

Remove unused assertion.  Login is required so this will never be used.  No point in having it here.

lms/djangoapps/pocs/utils.py

@@ -4,7 +4,6 @@ POC Enrollment operations for use by Coach APIs.
 Does not include any access control, be sure to check access before calling.
 """
 
-import json
 from django.contrib.auth.models import User
 from django.conf import settings
 from django.core.urlresolvers import reverse
@@ -13,7 +12,6 @@ from django.core.mail import send_mail
 from courseware.courses import get_course_about_section
 from courseware.courses import get_course_by_id
 from edxmako.shortcuts import render_to_string
-from opaque_keys.edx.locations import SlashSeparatedCourseKey
 
 from microsite_configuration import microsite
 
@@ -24,6 +22,7 @@ from .models import (
 )
 from .overrides import get_current_poc
 
+
 class EmailEnrollmentState(object):
     """ Store the complete enrollment state of an email in a class """
     def __init__(self, poc, email):

lms/djangoapps/pocs/views.py

@@ -464,10 +464,6 @@ def swich_active_poc(request, course_id, poc_id=None):
     """set the active POC for the logged-in user
     """
     user = request.user
-    if not user.is_authenticated():
-        return HttpResponseForbidden(
-            _('Only registered students may change POC views.')
-        )
     course_key = SlashSeparatedCourseKey.from_deprecated_string(course_id)
     # will raise Http404 if course_id is bad
     course = get_course_by_id(course_key)