Clean up podman directory and verify Jupyter integration

- Remove redundant requirements file
- Test and verify Jupyter notebook 7.5.0 works
- ML tools container successfully built with all tools
- All 6 ML tools (MLflow, WandB, Streamlit, Dash, Panel, Bokeh) working

podman/ml-tools-runner.podfile

@@ -0,0 +1,69 @@
+FROM continuumio/miniconda3:latest
+
+# Install mamba for fast package management
+RUN conda install -n base -c conda-forge mamba -y && \
+    conda clean -afy
+
+# Create non-root user
+RUN groupadd -r mlrunner && useradd -r -g mlrunner mlrunner
+
+# Set workspace
+WORKDIR /workspace
+RUN chown mlrunner:mlrunner /workspace
+
+# Create ML environment with tools
+RUN mamba create -n ml_env python=3.10 -y && \
+    chown -R mlrunner:mlrunner /opt/conda/envs/ml_env
+
+# Install ML Frameworks
+RUN mamba install -n ml_env \
+    pytorch>=1.9.0 \
+    torchvision>=0.10.0 \
+    numpy>=1.21.0 \
+    pandas>=1.3.0 \
+    scikit-learn>=1.0.0 \
+    xgboost>=1.5.0 \
+    matplotlib>=3.5.0 \
+    seaborn>=0.11.0 \
+    jupyter>=1.0.0 \
+    notebook>=6.4.0 \
+    ipykernel>=6.0.0 \
+    -c pytorch -c conda-forge -y && \
+    conda clean -afy
+
+# Install ML Tools with pip (for tools not in conda)
+RUN conda run -n ml_env pip install --no-cache-dir \
+    tensorflow>=2.8.0 \
+    statsmodels>=0.13.0 \
+    plotly>=5.0.0 \
+    dash>=2.0.0 \
+    mlflow>=2.0.0 \
+    wandb>=0.13.0 \
+    streamlit>=1.20.0 \
+    panel>=1.0.0 \
+    bokeh>=3.0.0 \
+    dvc>=3.0.0 \
+    optuna>=3.0.0 \
+    hyperopt>=0.2.0
+
+# Copy security files
+COPY secure_runner.py /usr/local/bin/secure_runner.py
+COPY security_policy.json /etc/ml_runner/security_policy.json
+COPY test_ml_tools.py /workspace/test_ml_tools.py
+
+# Set permissions
+RUN chmod +x /usr/local/bin/secure_runner.py && \
+    chown mlrunner:mlrunner /usr/local/bin/secure_runner.py
+
+# Switch to non-root user
+USER mlrunner
+
+# Set entrypoint
+ENTRYPOINT ["conda", "run", "-n", "ml_env", "python", "/usr/local/bin/secure_runner.py"]
+
+# Labels
+LABEL package_manager="mamba" \
+      speed="optimized" \
+      ml_frameworks="pytorch,sklearn,xgboost" \
+      ml_tools="mlflow,wandb,streamlit,dash,panel,bokeh" \
+      security="enabled"