[gtk-doc] build: get rid of old .svnignore files

[Stefan Kost <stefkost src gnome org>]

commit 612d00762df510276484bb85b902dcc48ef37b1f
Author: Stefan Kost <ensonic users sf net>
Date:   Tue Jul 7 12:50:28 2009 +0100

    build: get rid of old .svnignore files

 .svnignore             |   26 --------------------------
 help/manual/.svnignore |    4 ----
 m4/.svnignore          |    1 -
 3 files changed, 0 insertions(+), 31 deletions(-)