.bpo/install_pmbootstrap.sh: remove (MR 1147)

This file is not used anymore by the bpo code, so remove it.

.build.postmarketos.org/install_pmbootstrap.sh

@@ -1,31 +0,0 @@
-#!/bin/sh -e
-# Copyright 2019 Oliver Smith
-# SPDX-License-Identifier: GPL-3.0-or-later
-
-# Config: pmbootstrap tag (or branch)
-
-if [ "$1" != "" ]; then
-	tag="$1"
-else
-	tag="master"
-fi
-
-# Get download URL and pmaports path
-url="https://gitlab.com/postmarketOS/pmbootstrap/-/archive/$tag/pmbootstrap-$tag.tar.bz2"
-pmaports="$(cd $(dirname $0)/..; pwd -P)"
-
-# Set up binfmt_misc
-echo "Setting-up binfmt_misc"
-sudo mount -t binfmt_misc none /proc/sys/fs/binfmt_misc
-
-# Download pmbootstrap (to /tmp/pmbootstrap)
-echo "Downloading pmbootstrap ($tag): $url"
-cd /tmp
-wget -q -O "pmb.tar.bz2" "$url"
-tar -xf "pmb.tar.bz2"
-mv pmbootstrap-* pmbootstrap
-
-# Install to $PATH and init
-sudo ln -s /tmp/pmbootstrap/pmbootstrap.py /usr/bin/pmbootstrap
-echo "Initializing pmbootstrap with aports at '$pmaports'"
-yes '' | pmbootstrap -q --aports "$pmaports" init