Fix build error of bigdl-llm-cpu (#10228)

docker/llm/inference/cpu/docker/Dockerfile

@@ -65,11 +65,8 @@ RUN cp /root/miniconda3/condabin/conda /usr/bin && \
     pip install torch==2.2.0 torchvision==0.17.0 torchaudio==2.2.0 --index-url https://download.pytorch.org/whl/cpu && \
     pip install intel-extension-for-pytorch==2.2.0 && \
     pip install oneccl_bind_pt==2.2.0 --extra-index-url https://pytorch-extension.intel.com/release-whl/stable/cpu/us/ && \
-    cd ./intel-extension-for-pytorch && \
-    pip install -r requirements.txt && \
     pip install transformers==4.36.2 && \
     pip install transformers_stream_generator && \
-    cd /llm && \
     echo "conda deactivate" >> /root/.bashrc
     
 ENTRYPOINT ["/bin/bash"]