Remove venv from datascience image

Author: chudyandrej

python/datascience/Dockerfile.datascience

@@ -19,13 +19,9 @@ RUN if [ "$(printf '%s\n' "$PYTHON_VERSION" "3.11" | sort -V | head -n1)" = "3.1
 # Combine all RUN commands into one to minimize the number of layers
 RUN apt-get update \
   && apt-get install -y --no-install-recommends gcc \
+  && pip install --upgrade pip setuptools wheel \
   && pip install --no-cache-dir -r requirements.txt -c https://tk.deepnote.com/constraints${PYTHON_VERSION}.txt \
   && apt-get purge -y gcc \
   && apt-get autoremove -y \
   && apt-get clean \
   && rm -rf /var/lib/apt/lists/* /root/.cache
-
-# We create the virtual environment in the home directory in the Dockerfile
-# for performance improvement.
-RUN python -m venv --system-site-packages ~/venv
-RUN . ~/venv/bin/activate && pip install --upgrade pip setuptools