hg: build-infra/jdk9/hotspot: * Move feature handling to configure.

[magnus.ihse.bursie at oracle.com]

Changeset: 155b01817107
Author:    ihse
Date:      2016-02-09 14:51 +0100
URL:       http://hg.openjdk.java.net/build-infra/jdk9/hotspot/rev/155b01817107

* Move feature handling to configure.
* Remove minimize-ram-usage feature (not needed anymore)

! makefiles/JvmFeaturesConf.gmk
! makefiles/lib/JvmFeatures.gmk