Stopping daily bump of version.c on old/closed branches

[Gabriel Dos Reis]

Phil Edwards <phil@jaj.com> writes:

| It's just sh, most of them are.  I wouldn't want to see them rewritten
| in perl, to be honest.  And most of them that do use sh are pretty
| straightforward.

The primary goal of my original message isn't about rewriting anything in
whatever language.  I'm just asking for opinions about not bumping
gcc/version.c on old and/or closed branches.

Rewriting is a separate issue and I'm not sure it was really proposed.

-- Gaby