Revert unneeded changes

Author: pamelafox

scripts/load_python_env.sh

@@ -1,11 +1,8 @@
  #!/bin/sh
 
-python3 -m pip install uv
-
 echo 'Creating Python virtual environment in .venv...'
 python3 -m venv .venv
 
 echo 'Installing dependencies from "requirements.txt" into virtual environment (in quiet mode)...'
-
 .venv/bin/python -m pip --quiet --disable-pip-version-check install -e src/backend
 .venv/bin/python -m pip --quiet --disable-pip-version-check install -r requirements-dev.txt