create-vmachine: Remove unused Portage variables

create-vmachine.sh

@@ -52,10 +52,6 @@ done
 
 set -e
 
-PORTDIR=$(portageq envvar PORTDIR)
-DISTDIR=$(portageq envvar DISTDIR)
-PKGDIR=$(portageq envvar PKGDIR)
-
 if lvdisplay ${VG}/${VMNAME} >/dev/null 2>&1; then
 	echo "ERROR: Logical volume ${VMNAME} already exists in group ${VG}" >&2
 	exit 1