Do not include project fixtures settings in core

Author: giohappy

geonode/settings.py

@@ -2179,8 +2179,4 @@ def get_geonode_catalogue_service():
 UPSERT_LOG_LOCATION = os.getenv("UPSERT_LOG_LOCATION", "/tmp")
 
 FILE_UPLOAD_DIRECTORY_PERMISSIONS = 0o777
-FILE_UPLOAD_PERMISSIONS = 0o777
-
-PROJECT_FIXTURES = [
-    # List project-related fixture files here, in the order they should be loaded.
-]
+FILE_UPLOAD_PERMISSIONS = 0o777