This function removes some problematic faces from the output geometry. 

True if BRepBuilder removed some problematic faces, false if not.

If allowRemovalOfProblematicFaces() was not called to enable removal of problematic faces, this function will return 'false'. Note that if some faces were removed, the output geometry's type will be OpenShell regardless of the expected type that was specified when the BRepBuilder was created. Currently not implemented.