Removed obsolete file

doc/prepare_ros_computer.md

-# Prepare Existing Computer
-
-+++++++++++++++ Obsolete? ++++++++++++++++++++
-
-If you already have a ROS computer with a docker daemon follow the
-instructions below.
-
-## Configuring Development Computer
-
-You need an Ubuntu machine with Docker installed.  Tested with 18.04 and 20.04.
-
-### Install Public Repos
-
-To install the public LRS repos containing mostly messages definitions and service calls:
-```bash
-mkdir lrs_ws
-cd lrs_ws
-mkdir src
-cd src
-git clone https://gitlab.liu.se/lrs/lrs_msgs_common.git
-git clone https://gitlab.liu.se/lrs/lrs_kdb_bridge_msgs.git
-git clone https://gitlab.liu.se/lrs/lrs_kdb_msgs.git
-git clone https://gitlab.liu.se/lrs/lrs_srvs_wdb.git
-git clone https://gitlab.liu.se/lrs/lrs_team_msgs.git
-git clone https://gitlab.liu.se/lrs/lrs_msgs_del.git
-git clone https://gitlab.liu.se/lrs/lrs_msgs_mp.git
-git clone https://gitlab.liu.se/lrs/lrs_msgs_tfpop.git
-git clone https://gitlab.liu.se/lrs/lrs_msgs_tst.git
-git clone https://gitlab.liu.se/lrs/lrs_msgs.git
-git clone https://gitlab.liu.se/lrs/lrs_srvs_exec.git
-git clone https://gitlab.liu.se/lrs/lrs_srvs_wdb.git
-git clone https://gitlab.liu.se/lrs/lrs_srvs_tst.git
-git clone https://gitlab.liu.se/lrs/lrs_srvs_del.git
-git clone https://gitlab.liu.se/lrs/lrs_srvs.git
-git clone https://gitlab.liu.se/lrs/lrs_launch.git
-git clone https://gitlab.liu.se/lrs/lrs_util_tst.git
-git clone https://gitlab.liu.se/lrs/lrs_util_del.git
-git clone https://gitlab.liu.se/lrs/lrs_util_wdb.git
-git clone https://gitlab.liu.se/lrs/lrs_pyutil.git
-git clone https://gitlab.liu.se/lrs/lrs_srvs_ra.git
-git clone https://gitlab.liu.se/lrs/lrs_srvs_cons.git
-git clone https://gitlab.liu.se/lrs/lrs_wara_gazebo.git
-git clone https://gitlab.liu.se/lrs/lrs_common.git
-```