remove cognee from docs/repo (run-llama#19628)

Author: logan-markewich

docs/docs/api_reference/graph_rag/cognee.md

@@ -980,8 +980,6 @@ nav:
           - ./api_reference/evaluation/retrieval.md
           - ./api_reference/evaluation/semantic_similarity.md
           - ./api_reference/evaluation/tonic_validate.md
-      - Graph RAG:
-          - ./api_reference/graph_rag/cognee.md
       - Indexes:
           - ./api_reference/indices/bge_m3.md
           - ./api_reference/indices/colbert.md
@@ -2383,7 +2381,6 @@ plugins:
             - ../llama-index-integrations/postprocessor/llama-index-postprocessor-bedrock-rerank
             - ../llama-index-integrations/postprocessor/llama-index-postprocessor-pinecone-native-rerank
             - ../llama-index-integrations/tools/llama-index-tools-scrapegraph
-            - ../llama-index-integrations/graph_rag/llama-index-graph-rag-cognee
             - ../llama-index-integrations/llms/llama-index-llms-keywordsai
             - ../llama-index-integrations/embeddings/llama-index-embeddings-opea
             - ../llama-index-integrations/multi_modal_llms/llama-index-multi-modal-llms-bedrock

docs/docs/examples/graph_rag/llama_index_cognee_integration.ipynb

@@ -642,7 +642,6 @@ plugins:
             - ../llama-index-integrations/postprocessor/llama-index-postprocessor-bedrock-rerank
             - ../llama-index-integrations/postprocessor/llama-index-postprocessor-pinecone-native-rerank
             - ../llama-index-integrations/tools/llama-index-tools-scrapegraph
-            - ../llama-index-integrations/graph_rag/llama-index-graph-rag-cognee
             - ../llama-index-integrations/llms/llama-index-llms-keywordsai
             - ../llama-index-integrations/embeddings/llama-index-embeddings-opea
             - ../llama-index-integrations/multi_modal_llms/llama-index-multi-modal-llms-bedrock