Removing legacy graphics command gfx create morph.  https://tracker.physiomeproject.org/show_bug.cgi?id=450
Removing legacy graphics command gfx create morph.  https://tracker.physiomeproject.org/show_bug.cgi?id=450

git-svn-id: 4705079bc6b8aadf675e3696f5c015a6aa4916e3@7065 3c1deb5b-d424-0410-962d-aba41a686d42

hsorby/zinc,OpenCMISS/zinc,hsorby/zinc,hsorby/zinc,OpenCMISS/zinc,hsorby/zinc,OpenCMISS/zinc,OpenCMISS/zinc