fix uninstall script to only remove wrapper files from PATH if the user has write permissions on the parent directory
fix uninstall script to only remove wrapper files from PATH if the user has write permissions on the parent directory

vrnithinkumar/concourse,dubex/concourse,JerJohn15/concourse,kylycht/concourse,kylycht/concourse,vrnithinkumar/concourse,kylycht/concourse,kylycht/concourse,JerJohn15/concourse,cinchapi/concourse,cinchapi/concourse,dubex/concourse,JerJohn15/concourse,hcuffy/concourse,dubex/concourse,JerJohn15/concourse,cinchapi/concourse,vrnithinkumar/concourse,JerJohn15/concourse,vrnithinkumar/concourse,hcuffy/concourse,JerJohn15/concourse,hcuffy/concourse,remiemalik/concourse,remiemalik/concourse,hcuffy/concourse,remiemalik/concourse,hcuffy/concourse,remiemalik/concourse,dubex/concourse,kylycht/concourse,remiemalik/concourse,cinchapi/concourse,hcuffy/concourse,dubex/concourse,vrnithinkumar/concourse,kylycht/concourse,cinchapi/concourse,dubex/concourse,cinchapi/concourse,remiemalik/concourse,vrnithinkumar/concourse