Remove redundant python parts of build.sh

build.sh

@@ -18,30 +18,11 @@ WS=`pwd`/underlay_ws/src
 echo $WS
 mkdir $WS -p
 
-# python installs
-
-python --version | awk  '{print $2}' | cut -d'.' -f1
-# TODO(lucasw) these aren't working
-PYTHON_MAJOR_VERSION=`python --version | awk  '{print $2}' | cut -d'.' -f1`
-PYTHON_MINOR_VERSION=`python --version | awk  '{print $2}' | cut -d'.' -f2`
-# ubuntu 20.04?
-OPT_PYTHONPATH0=$DEST/lib/python$PYTHON_MAJOR_VERSION.$PYTHON_MINOR_VERSION/site-packages/
-mkdir -p $OPT_PYTHONPATH0
-echo $PYTHONPATH0
-# ubuntu 24.04 and 22.04?
-OPT_PYTHONPATH1=$DEST/local/lib/python$PYTHON_MAJOR_VERSION.$PYTHON_MINOR_VERSION/dist-packages/
-mkdir -p $OPT_PYTHONPATH1
-echo $PYTHONPATH1
-
 ROS_DEST=$DEST source $WS/../env.sh
 
-# export PYTHONPATH=$PYTHONPATH:$OPT_PYTHONPATH0:$OPT_PYTHONPATH1
-
 # catkin_pkg
 cd $WS/catkin_pkg
 python3 setup.py install --prefix=$DEST --record install_manifest.txt --single-version-externally-managed
-ls -l $OPT_PYTHONPATH0 || ls -l $OPT_PYTHONPATH1
-ls -l $OPT_PYTHONPATH0/catkin_pkg* || ls -l $OPT_PYTHONPATH1/catkin_pkg*
 # python -c "import sys; print(sys.path)"
 python -c "import catkin_pkg; print(catkin_pkg.__version__)"
 python -c "from catkin_pkg.package import parse_package"