remove double variable (#17840)

Author: logan-markewich

docs/docs/examples/property_graph/property_graph_advanced.ipynb

@@ -124,15 +124,6 @@
     "    \"PLACE\": [\"HAS\", \"PART_OF\", \"WORKED_AT\"],\n",
     "    \"ORGANIZATION\": [\"HAS\", \"PART_OF\", \"WORKED_WITH\"],\n",
     "}\n",
-    "validation_schema = [\n",
-    "    (\"ORGANIZATION\", \"HAS\", \"PERSON\"),\n",
-    "    (\"PERSON\", \"WORKED_AT\", \"ORGANIZATION\"),\n",
-    "    (\"PERSON\", \"WORKED_WITH\", \"PERSON\"),\n",
-    "    (\"PERSON\", \"WORKED_ON\", \"ORGANIZATION\"),\n",
-    "    (\"PERSON\", \"PART_OF\", \"ORGANIZATION\"),\n",
-    "    (\"ORGANIZATION\", \"PART_OF\", \"ORGANIZATION\"),\n",
-    "    (\"PERSON\", \"WORKED_AT\", \"PLACE\"),\n",
-    "]\n",
     "\n",
     "kg_extractor = SchemaLLMPathExtractor(\n",
     "    llm=Ollama(model=\"llama3\", json_mode=True, request_timeout=3600),\n",