update coreboot and nuke tianocore

tianocore is a liability for the libreboot project. it's a bloated mess, and
unreliable, broken on many boards, and basically impossible to audit.

i don't trust tianocore, so i'm removing it.

resources/scripts/update/tianocore/configs

@@ -1,55 +0,0 @@
-#!/usr/bin/env bash
-
-#
-#  helper script: update coreboot configs (run make oldconfig)
-#
-#	Copyright (C) 2021 Leah Rowe <info@minifree.org>
-#
-#    This program is free software: you can redistribute it and/or modify
-#    it under the terms of the GNU General Public License as published by
-#    the Free Software Foundation, either version 3 of the License, or
-#    (at your option) any later version.
-#
-#    This program is distributed in the hope that it will be useful,
-#    but WITHOUT ANY WARRANTY; without even the implied warranty of
-#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-#    GNU General Public License for more details.
-#
-#    You should have received a copy of the GNU General Public License
-#    along with this program.  If not, see <http://www.gnu.org/licenses/>.
-#
-
-# This script assumes that the working directory is the root
-# of git or release archive
-
-[ "x${DEBUG+set}" = 'xset' ] && set -v
-set -u -e
-
-printf "Updating tianocore dummy config\n"
-
-# Build ROM images for supported boards
-cbtree="default"
-
-if [ ! -d coreboot/${cbtree} ]; then
-    ./download coreboot ${cbtree}
-fi
-
-(
-cd coreboot/${cbtree}/
-rm -f .config*
-make distclean
-)
-mv resources/tianocore/dummy.coreboot.config coreboot/${cbtree}/.config
-(
-cd coreboot/${cbtree}/
-make oldconfig
-)
-mv coreboot/${cbtree}/.config resources/tianocore/dummy.coreboot.config
-rm -f coreboot/${cbtree}/.config*
-(
-cd coreboot/${cbtree}/
-make distclean
-)
-
-printf "\n\n"
-