Replace bison 3.4.2 with bison 3.6.4

steps/bison-3.4.2/pass1.sh

@@ -1,35 +0,0 @@
-# SPDX-FileCopyrightText: 2021-22 Samuel Tyler <samuel@samuelt.me>
-# SPDX-FileCopyrightText: 2022 Andrius Štikonas <andrius@stikonas.eu>
-#
-# SPDX-License-Identifier: GPL-3.0-or-later
-
-src_prepare() {
-    default
-
-    # Remove pre-generated flex/bison files
-    rm src/parse-gram.c src/parse-gram.h
-    rm src/scan-code.c
-    rm src/scan-gram.c
-    rm src/scan-skel.c
-
-    # Remove pregenerated info files
-    rm doc/bison.info
-
-    ../../import-gnulib.sh
-
-    AUTOPOINT=true AUTOMAKE=automake-1.15 ACLOCAL=aclocal-1.15 autoreconf-2.69 -fi
-}
-
-src_configure() {
-    ./configure --prefix="${PREFIX}" \
-        --libdir="${LIBDIR}" \
-        --disable-nls
-}
-
-src_compile() {
-    make -j1 MAKEINFO=true
-}
-
-src_install() {
-    make MAKEINFO=true DESTDIR="${DESTDIR}" install
-}