hg: build-infra/jdk9: Cleanups in preparation for merge into mainline.

[magnus.ihse.bursie at oracle.com]

Changeset: ae233aeaba56
Author:    ihse
Date:      2016-01-30 10:48 +0100
URL:       http://hg.openjdk.java.net/build-infra/jdk9/rev/ae233aeaba56

Cleanups in preparation for merge into mainline.

! common/autoconf/basics.m4
! common/autoconf/flags.m4
! common/autoconf/generated-configure.sh
! common/autoconf/hotspot.m4
! common/autoconf/jdk-version.m4
! common/autoconf/lib-freetype.m4
! common/autoconf/spec.gmk.in