Merge pull request #8207 from amir-qayyum-khan/add_ccx_enable_to_settings

Added ccx enable/disable flag to advance settings and show hide ccx coach option on lms

cms/djangoapps/models/settings/course_metadata.py

@@ -83,6 +83,10 @@ class CourseMetadata(object):
         if not settings.FEATURES.get('ENABLE_VIDEO_BUMPER'):
             filtered_list.append('video_bumper')
 
+        # Do not show enable_ccx if feature is not enabled.
+        if not settings.FEATURES.get('CUSTOM_COURSES_EDX'):
+            filtered_list.append('enable_ccx')
+
         return filtered_list
 
     @classmethod