fixup! feat: remove ENABLE_MKTG_SITE setting and simplify marketing URL resolution

Author: feanil

docs/docs_settings.py

@@ -29,7 +29,6 @@
 # Settings that will fail if we enable them, and we don't need them for docs anyway.
 FEATURES["RUN_AS_ANALYTICS_SERVER_ENABLED"] = False  # noqa: F405
 FEATURES["ENABLE_SOFTWARE_SECURE_FAKE"] = False  # noqa: F405
-FEATURES["ENABLE_MKTG_SITE"] = False  # noqa: F405
 
 INSTALLED_APPS.extend(  # noqa: F405
     [

lms/envs/common.py

@@ -391,8 +391,8 @@
 # .. toggle_name: settings.ENABLE_COURSE_HOME_REDIRECT
 # .. toggle_implementation: DjangoSetting
 # .. toggle_default: True
-# .. toggle_description: When enabled, along with the ENABLE_MKTG_SITE feature toggle, users who attempt to access a
-#   course "about" page will be redirected to the course home url.
+# .. toggle_description: When enabled, users who attempt to access a course "about" page will be redirected to the
+#   course home url.
 # .. toggle_use_cases: open_edx
 # .. toggle_creation_date: 2019-01-15
 # .. toggle_tickets: https://github.com/openedx/edx-platform/pull/19604