Remove Dockerfile - ZeroGPU Spaces use Python directly

ZeroGPU Spaces run with Python environment and requirements.txt,
not Docker. Removing Dockerfile to fix deployment.

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

Dockerfile

@@ -1,78 +0,0 @@
-# FoundationPose Dockerfile for Hugging Face Spaces with ZeroGPU
-FROM nvidia/cuda:12.1.0-devel-ubuntu22.04
-
-# Set environment variables
-ENV DEBIAN_FRONTEND=noninteractive
-ENV CUDA_HOME=/usr/local/cuda
-ENV PATH=${CUDA_HOME}/bin:${PATH}
-ENV LD_LIBRARY_PATH=${CUDA_HOME}/lib64:${LD_LIBRARY_PATH}
-
-# FoundationPose model configuration
-# Override these in Space settings to enable real model
-ENV FOUNDATIONPOSE_MODEL_REPO=gpue/foundationpose-weights
-ENV USE_HF_WEIGHTS=true
-ENV USE_REAL_MODEL=false
-
-# Install system dependencies
-RUN apt-get update && apt-get install -y \
-    git \
-    wget \
-    python3.9 \
-    python3.9-dev \
-    python3-pip \
-    libgl1-mesa-glx \
-    libglib2.0-0 \
-    libeigen3-dev \
-    && rm -rf /var/lib/apt/lists/*
-
-# Set Python 3.9 as default
-RUN update-alternatives --install /usr/bin/python3 python3 /usr/bin/python3.9 1
-RUN update-alternatives --install /usr/bin/python python /usr/bin/python3.9 1
-
-# Upgrade pip
-RUN python3 -m pip install --upgrade pip setuptools wheel
-
-# Set working directory
-WORKDIR /app
-
-# Copy requirements first for better caching
-COPY requirements.txt .
-
-# Install Python dependencies
-RUN pip install --no-cache-dir -r requirements.txt
-
-# Install FoundationPose dependencies
-RUN pip install --no-cache-dir \
-    git+https://github.com/NVlabs/nvdiffrast.git
-
-# Install Kaolin (if using model-free mode)
-RUN pip install --no-cache-dir kaolin==0.15.0 -f https://nvidia-kaolin.s3.us-east-2.amazonaws.com/torch-2.0.0_cu118.html
-
-# Install PyTorch3D
-RUN pip install --no-cache-dir pytorch3d
-
-# Clone FoundationPose repository
-RUN git clone https://github.com/NVlabs/FoundationPose.git /app/FoundationPose
-
-# Build FoundationPose C++ extensions
-WORKDIR /app/FoundationPose
-RUN bash build_all.sh || echo "Build completed with warnings"
-
-# Copy application files
-WORKDIR /app
-COPY . .
-
-# Download model weights from Hugging Face model repository
-# The download_weights.py script will:
-# 1. Check if weights already exist locally
-# 2. Download from FOUNDATIONPOSE_MODEL_REPO if USE_HF_WEIGHTS=true
-# 3. Fall back to placeholder mode if download fails
-RUN echo "Downloading model weights from ${FOUNDATIONPOSE_MODEL_REPO}..." && \
-    python3 download_weights.py || \
-    echo "⚠️  Weights download failed or skipped. Space will run in placeholder mode."
-
-# Expose port for Gradio
-EXPOSE 7860
-
-# Run the application
-CMD ["python3", "app.py"]