Addressed the copilot suggestions

Author: VisLab

hed/schema/schema_io/df_constants.py

@@ -86,7 +86,7 @@
 struct_columns = [hed_id, name, attributes, subclass_of, dcdescription]
 tag_columns = [hed_id, name, level, subclass_of, attributes, dcdescription]
 unit_columns = [hed_id, name, subclass_of, has_unit_class, attributes, dcdescription]
-attribute_columns = [hed_id, name, type, properties, dcdescription]  # For the annotation property
+attribute_columns = [hed_id, name, type, properties, dcdescription]  # For AnnotationProperty, DataProperty, and ObjectProperty
 property_columns = [hed_id, name, type, dcdescription]
 prefix_columns = [prefix, namespace, description]
 external_annotation_columns = [prefix, id, iri, description]

hed/schema/schema_io/schema2df.py

@@ -202,18 +202,6 @@ def _write_attribute_entry(self, entry, include_props):
             df_key = constants.DATA_KEY
             property_type = "DataProperty"
 
-        {
-            "HedTag": self._get_object_id("HedTag", include_prefix=True),
-            "HedUnit": self._get_object_id("HedUnit", include_prefix=True),
-            "HedUnitClass": self._get_object_id("HedUnitClass", include_prefix=True),
-            "HedUnitModifier": self._get_object_id("HedUnitModifier", include_prefix=True),
-            "HedValueClass": self._get_object_id("HedValueClass", include_prefix=True),
-            "HedElement": self._get_object_id("HedElement", include_prefix=True),
-            "string": "xsd:string",
-            "boolean": "xsd:boolean",
-            "float": "xsd:float",
-        }
-
         tag_id = entry.attributes.get(HedKey.HedID, "")
         new_row = {
             constants.hed_id: f"{tag_id}",