Update start.sh

start.sh

@@ -3,9 +3,6 @@
 CONDA_ENV=$(head -1 ./env.yml | cut -d" " -f2)
 eval "$(conda shell.bash hook)"
 conda activate $CONDA_ENV
-rm -rf /var/lib/apt/lists/*
-apt update
-apt-get install -y git 	git-lfs ffmpeg libsm6 libxext6 cmake rsync gcc make python3-venv libgl1-mesa-glx
 git lfs install
 git clone https://github.com/python/cpython
 cd cpython