Merge pull request #4266 from edx/revert-4050-linkedin-email

Revert "Make LinkedIn auth provider request email by default."

common/djangoapps/third_party_auth/provider.py

@@ -139,9 +139,6 @@ class LinkedInOauth2(BaseProvider):
     SETTINGS = {
         'SOCIAL_AUTH_LINKEDIN_OAUTH2_KEY': None,
         'SOCIAL_AUTH_LINKEDIN_OAUTH2_SECRET': None,
-        'SOCIAL_AUTH_LINKEDIN_OAUTH2_SCOPE': None,
-        'SOCIAL_AUTH_LINKEDIN_OAUTH2_FIELD_SELECTORS': None,
-        'SOCIAL_AUTH_LINKEDIN_OAUTH2_EXTRA_DATA': None,
     }
 
     @classmethod