hg: valhalla/valhalla/langtools: Enhancement: cleanup langtools build

[maurizio.cimadamore at oracle.com]

Changeset: 018ef6762d6e
Author:    mcimadamore
Date:      2015-11-24 18:29 +0000
URL:       http://hg.openjdk.java.net/valhalla/valhalla/langtools/rev/018ef6762d6e

Enhancement: cleanup langtools build
Contributed-by: jan.lahoda at oracle.com

! make/build.properties
! make/build.xml