Don't BR: subversion as we build from released tarball

Signed-off-by: Nils Philippsen <nils@tiptoe.de>

libffado.spec

@@ -31,7 +31,6 @@ BuildRequires:  pkgconfig
 BuildRequires:  python3-qt5-devel
 BuildRequires:  python3-devel
 BuildRequires:  python3-scons >= 3.0.2
-BuildRequires:  subversion
 ExcludeArch:    s390 s390x
 Requires:       udev
 
@@ -154,6 +153,7 @@ appstream-util validate-relax --nonet \
 - Version 2.4.4
 - Document license of binary package
 - Avoid using sed to patch files where feasible
+- Don't BR: subversion as we build from released tarball
 
 * Tue Jul 28 2020 Fedora Release Engineering <releng@fedoraproject.org> - 2.4.3-3
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_33_Mass_Rebuild