Remove code and template responsible for subsection edit page

common/djangoapps/terrain/ui_helpers.py

@@ -46,7 +46,7 @@ REQUIREJS_WAIT = {
     # Note that calling your org, course number, or display name, 'course' will mess this up
     re.compile('^Course Outline \|'): [
         "js/base", "js/models/course", "js/models/location", "js/models/section",
-        "js/views/overview", "js/views/section_edit"],
+        "js/views/section_edit"],
 
     # Dashboard
     re.compile('^My Courses \|'): [