fix: remove deprecated download_url field from badges app (#2792)

Cleanup badges admin classes that were referencing deprecated field download_url.
Deprecation PRs: #2747, #2748

Author: cmltaWt0

credentials/apps/badges/admin.py

@@ -550,7 +550,6 @@ class CredlyBadgeAdmin(admin.ModelAdmin):
         "credential_id",
         "credential_content_type",
         "username",
-        "download_url",
         "state",
         "uuid",
         "external_uuid",
@@ -616,7 +615,6 @@ class AccredibleBadgeAdmin(admin.ModelAdmin):
         "credential_id",
         "credential_content_type",
         "username",
-        "download_url",
         "state",
         "uuid",
         "external_id",

credentials/settings/test.py

@@ -87,3 +87,5 @@
 add_plugins(__name__, PROJECT_TYPE, SettingsType.TEST)
 
 BADGES_CONFIG["credly"]["USE_SANDBOX"] = True
+BADGES_CONFIG["accredible"]["USE_SANDBOX"] = True
+BADGES_ENABLED = True