chore: remove deprecated storage related settings (#172)

This change refactors the code to replace the deprecated DEFAULT_FILE_STORAGE and STATICFILES_STORAGE settings with the more flexible and recommended STORAGES = {} pattern.

Author: chintanjoshi-apphelix-2u

py_configuration_files/cms.py

@@ -9,7 +9,7 @@
 from .production import *  # pylint: disable=wildcard-import, unused-wildcard-import
 
 # Don't use S3 in devstack, fall back to filesystem
-del DEFAULT_FILE_STORAGE
+STORAGES['default']['BACKEND'] = 'django.core.files.storage.FileSystemStorage'
 COURSE_IMPORT_EXPORT_STORAGE = 'django.core.files.storage.FileSystemStorage'
 USER_TASKS_ARTIFACT_STORAGE = COURSE_IMPORT_EXPORT_STORAGE
 
@@ -57,7 +57,7 @@
 
 # Skip packaging and optimization in development
 PIPELINE['PIPELINE_ENABLED'] = False
-STATICFILES_STORAGE = 'openedx.core.storage.DevelopmentStorage'
+STORAGES['staticfiles']['BACKEND'] = 'openedx.core.storage.DevelopmentStorage'
 
 # Revert to the default set of finders as we don't want the production pipeline
 STATICFILES_FINDERS = [

py_configuration_files/lms.py

@@ -16,7 +16,7 @@
 from .production import *  # pylint: disable=wildcard-import, unused-wildcard-import
 
 # Don't use S3 in devstack, fall back to filesystem
-del DEFAULT_FILE_STORAGE
+STORAGES['default']['BACKEND'] = 'django.core.files.storage.FileSystemStorage'
 ORA2_FILEUPLOAD_BACKEND = 'django'
 
 
@@ -118,7 +118,7 @@ def should_show_debug_toolbar(request):  # lint-amnesty, pylint: disable=missing
 ########################### PIPELINE #################################
 
 PIPELINE['PIPELINE_ENABLED'] = False
-STATICFILES_STORAGE = 'openedx.core.storage.DevelopmentStorage'
+STORAGES['staticfiles']['BACKEND'] = 'openedx.core.storage.DevelopmentStorage'
 
 # Revert to the default set of finders as we don't want the production pipeline
 STATICFILES_FINDERS = [