enable soop update

Author: nicHoch

stixcore/soop/manager.py

@@ -529,8 +529,6 @@ def add_soop_file_to_index(self, path, *, rebuild_index=True, **args):
             all_soop_file = Path(CONFIG.get("SOOP", "soop_files_download")) / f"{plan}.{version}.all.json"
 
             if not all_soop_file.exists():
-                # TODO remove ove SOOP API is working reliably
-                return
                 self.download_all_soops_from_api(plan, version, all_soop_file)
 
             with open(all_soop_file) as f_all: