Revert "Install llama-cpp-python"

This reverts commit d41f507e.

Dockerfile

 FROM quay.io/jupyter/pytorch-notebook:cuda12-pytorch-2.3.1
 
-# Install Python packages that may be useful.
 RUN pip install --no-cache-dir \
         transformers sentence-transformers accelerate bitsandbytes \
-        hdbscan umap-learn \
+        sentence-transformers hdbscan umap-learn \
     && \
-    pip install llama-cpp-python --extra-index-url https://abetlen.github.io/llama-cpp-python/whl/cu121 && \
     fix-permissions "${CONDA_DIR}" && \
     fix-permissions "/home/${NB_USER}"