Remove flash-attn to unblock build (can add back later)

Author: alexnorell

docker/dockerfiles/Dockerfile.onnx.jetson.6.2.0

@@ -123,8 +123,7 @@ ENV CUDA_HOME=/usr/local/cuda \
     LD_LIBRARY_PATH=/usr/local/cuda/lib64:$LD_LIBRARY_PATH
 
 # Install Python dependencies (torch/torchvision/numpy already installed from source)
-# Use --no-deps to prevent uv from reinstalling torch/torchvision
-RUN uv pip install --system --break-system-packages --index-strategy unsafe-best-match --no-deps \
+RUN uv pip install --system --break-system-packages --index-strategy unsafe-best-match \
     -r _requirements.txt \
     -r requirements.http.txt \
     -r requirements.clip.txt \
@@ -141,9 +140,6 @@ RUN uv pip install --system --break-system-packages --index-strategy unsafe-best
     packaging \
     && rm -rf ~/.cache/uv
 
-# Install flash-attn separately with regular pip (requires CUDA-enabled torch)
-RUN python3 -m pip install --break-system-packages --no-build-isolation flash-attn==2.8.2
-
 # Build onnxruntime with numpy 2.x
 WORKDIR /build/onnxruntime
 RUN git clone --recursive --branch v${ONNXRUNTIME_VERSION} https://github.com/microsoft/onnxruntime.git && \