fix: rm unused linkml-owl helper+undeclared linkml dep

modo/introspection.py

@@ -7,7 +7,6 @@
 from pathlib import Path
 from typing import Any, Optional
 
-from linkml.generators.owlgen import MetadataProfile, OwlSchemaGenerator
 from linkml_runtime.dumpers import rdflib_dumper
 from linkml_runtime.utils.schemaview import SchemaView
 from rdflib import Graph
@@ -59,17 +58,6 @@ def instance_to_graph(instance) -> Graph:
     )
 
 
-def load_schema_rdflib_graph() -> Graph:
-    """Load the schema as an RDFLib Graph."""
-    metadata_profile = MetadataProfile.linkml
-    schema = OwlSchemaGenerator(
-        str(SCHEMA_PATH), metadata_profile=metadata_profile
-    )
-    ttl_data = schema.serialize(format="owl")
-    graph = Graph().parse(data=ttl_data, format="turtle")
-    return graph
-
-
 def get_slot_range(slot_name: str) -> str:
     """Return the range of a slot."""
     return load_schema().get_slot(slot_name).range