[PATCH 2/2] m4: remove unneeded Makefile.am

[Mark Wielaard]

Hi Dmitry,

On Tue, 2020-12-15 at 17:40 +0300, Dmitry V. Levin wrote:
> m4 files do not have to listed in EXTRA_DIST, in fact,
> biarch.m4 has not been listed since its very beginning in 2013,
> and nobody seems to have noticed so far.

Looks like you are right, the m4 macro files are automatically included
in the DIST_COMMON file list and so don't need to be added manually.

Pushed,

Mark