[m-rev.] for review: Enable parallel make in browser and ssdb directories.

[Julien Fischer]

On Mon, 5 Aug 2019, Peter Wang wrote:

> browser/Mmakefile:
>    Delete .NOTPARALLEL target. The line appears to be only a leftover
>    for a workaround that was in place when the browser directory
>    contained both the mer_browser and mer_mdbcomp and libraries.
>
>    Delete other lines which have been commented out since
>    mdbcomp was moved to its own directory.
>
> ssdb/Mmakefile:
>    Delete the same lines copied from browser/Mmakefile.

That's fine.

Julien.