build/release: stop trying to bump version in autotools

contrib/fedora/rpm/release.sh

@@ -144,25 +144,12 @@ check_gitlab_pipeline() {
     return 0
 }
 
-set_version_number_autotools() {
-    sed -i \
-        -e '1,20 s/^m4_define(\[nm_major_version\], \[\([0-9]\+\)\])$/m4_define([nm_major_version], ['"$1"'])/' \
-        -e '1,20 s/^m4_define(\[nm_minor_version\], \[\([0-9]\+\)\])$/m4_define([nm_minor_version], ['"$2"'])/' \
-        -e '1,20 s/^m4_define(\[nm_micro_version\], \[\([0-9]\+\)\])$/m4_define([nm_micro_version], ['"$3"'])/' \
-        ./configure.ac
-}
-
-set_version_number_meson() {
+set_version_number() {
     sed -i \
         -e '1,20 s/^\( *version: *'\''\)[0-9]\+\.[0-9]\+\.[0-9]\+\('\'',\)$/\1'"$1.$2.$3"'\2/' \
         meson.build
 }
 
-set_version_number() {
-    set_version_number_autotools "$@" &&
-    set_version_number_meson "$@"
-}
-
 check_news() {
     local mode="$1"
     shift