pwrp_chd.sh removed

src/exp/com/src/os_linux/pwrp_chd.sh

-#!/bin/bash
-#
-# Proview   Open Source Process Control.
-# Copyright (C) 2005-2015 SSAB EMEA AB.
-#
-# This file is part of Proview.
-#
-# This program is free software; you can redistribute it and/or 
-# modify it under the terms of the GNU General Public License as 
-# published by the Free Software Foundation, either version 2 of 
-# the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful 
-# but WITHOUT ANY WARRANTY; without even the implied warranty of 
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License 
-# along with Proview. If not, see <http://www.gnu.org/licenses/>
-#
-# Linking Proview statically or dynamically with other modules is
-# making a combined work based on Proview. Thus, the terms and 
-# conditions of the GNU General Public License cover the whole 
-# combination.
-#
-# In addition, as a special exception, the copyright holders of
-# Proview give you permission to, from the build function in the
-# Proview Configurator, combine Proview with modules generated by the
-# Proview PLC Editor to a PLC program, regardless of the license
-# terms of these modules. You may copy and distribute the resulting
-# combined work under the terms of your choice, provided that every 
-# copy of the combined work is accompanied by a complete copy of 
-# the source code of Proview (the version used to produce the 
-# combined work), being distributed under the terms of the GNU 
-# General Public License plus this exception.
-#
-#
-# Short command to change to a project directory
-#
-var=pwrp_$1
-dir=${!var}
-if [ -z $dir ]; then
-  echo "No such variable \$$var"
-else
-  if [ ! -e $dir ]; then
-    echo "No such directory $dir"
-  else
-    cd $dir
-  fi
-fi