revert the change. GF_LIB_PATH needs to be checked

Setup.sh

@@ -35,6 +35,9 @@ for arg in "$@"; do
 done
 
 # Try to determine install location
+if [ -z "$dest" ]; then
+  dest=$(echo "$GF_LIB_PATH" | sed 's/:.*$//')
+fi
 if [ -z "$dest" ] && [ "$(gf --version | tail -1 | cut -c -14)" == "Shared folder:" ]; then
   dest=$(gf --version | tail -1 | cut -c 16-)
   if [ -n "$dest" ]; then dest="${dest}/lib"; fi
@@ -42,6 +45,7 @@ fi
 if [ -z "$dest" ]; then
   echo "Unable to determine where to install the RGL. Please do one of the following:"
   echo " - Pass the --dest=... flag to this script"
+  echo " - Set the GF_LIB_PATH environment variable"
   echo " - Compile & install GF from the gf-core repository"
   exit 1
 fi