Fixing superflouus abstractmethod

registrar/source.py

@@ -384,7 +384,6 @@ class HTTPSource(Source):
         with open(target_path, "wb") as f:
             f.write(response.content)
 
-    @abstractmethod
     def get_vsi_env_and_path(self, path: str):
         return {}, f"/vsicurl/{urljoin(self.endpoint_url, path)}"