From the following commit:
author Armin Le Grand <Armin.Le.Grand@cib.de> 2018-06-28 19:48:59 +0200
committer Armin Le Grand <Armin.Le.Grand@cib.de> 2018-07-02 18:03:44 +0200
tdf106792 Get rid of SvxShapePolyPolygonBezier
Armin: do you think you may find some time to tackle some of them?
I was wondering if this can be reverted.
We can set importance back to normal after bug 118693 is fixed