docs(lms and studio): Replace all .(lms|cms).(\w+|_)?\.json to .(lms|cms).(\w+|_)?\.yml

lms/djangoapps/branding/api.py

@@ -454,7 +454,7 @@ def _footer_logo_img(is_secure):
     logo_name = configuration_helpers.get_value('FOOTER_ORGANIZATION_IMAGE', settings.FOOTER_ORGANIZATION_IMAGE)
     # `logo_name` is looked up from the configuration,
     # which falls back on the Django settings, which loads it from
-    # `lms.env.json`, which is created and managed by Ansible. Because of
+    # `lms.yml`, which is created and managed by Ansible. Because of
     # this runaround, we lose a lot of the flexibility that Django's
     # staticfiles system provides, and we end up having to hardcode the path
     # to the footer logo rather than use the comprehensive theming system.

lms/envs/common.py

@@ -3705,7 +3705,7 @@ FINANCIAL_ASSISTANCE_MAX_LENGTH = 2500
 # IE: custom_form_app.forms.RegistrationExtensionForm
 # Note: If you want to use a model to store the results of the form, you will
 # need to add the model's app to the ADDL_INSTALLED_APPS array in your
-# lms.env.json file.
+# lms.yml file.
 
 REGISTRATION_EXTENSION_FORM = None