hg: build-infra/jdk8/jdk: Remove @GenerateNativeHeader annotations that are no longer needed.

[magnus.ihse.bursie at oracle.com]

Changeset: 712b7c7aa419
Author:    ihse
Date:      2012-06-11 11:33 +0200
URL:       http://hg.openjdk.java.net/build-infra/jdk8/jdk/rev/712b7c7aa419

Remove @GenerateNativeHeader annotations that are no longer needed.

! src/share/classes/java/awt/image/DirectColorModel.java
! src/share/classes/sun/awt/CharsetString.java
! src/share/classes/sun/java2d/pipe/RegionIterator.java
! src/share/native/sun/awt/image/cvutils/img_globals.c