Merge pull request #9132 from edx/sarina/cypress-course-disc

disable course discovery feature by default in devstack.

lms/envs/devstack.py

@@ -153,7 +153,7 @@ COURSE_DISCOVERY_MEANINGS = {
     'language': LANGUAGE_MAP,
 }
 
-FEATURES['ENABLE_COURSE_DISCOVERY'] = True
+FEATURES['ENABLE_COURSE_DISCOVERY'] = False
 FEATURES['COURSES_ARE_BROWSEABLE'] = True
 HOMEPAGE_COURSE_MAX = 9