[m-rev.] removing out_of_line_builtin

[Zoltan Somogyi]

On Thu, 16 Mar 2017 21:42:37 +1100 (AEDT), "Zoltan Somogyi" <zoltan.somogyi at runbox.com> wrote:
> Does anyone object to classifying class only as not_builtin vs inline_builtin,
> deleting the out_of_line_builtin alternative? We only ever used that a long
> time ago, for implementing call/N; it won't be coming back.

Since there were no objections, I have committed the change.

Zoltan.