hg: build-infra/jdk9: Move all non-feature JVM_LDFLAGS handling to configure.

[magnus.ihse.bursie at oracle.com]

Changeset: 4b31c3d66bb6
Author:    ihse
Date:      2016-01-15 10:51 +0100
URL:       http://hg.openjdk.java.net/build-infra/jdk9/rev/4b31c3d66bb6

Move all non-feature JVM_LDFLAGS handling to configure.

! common/autoconf/flags.m4
! common/autoconf/generated-configure.sh