libmakepkg: remove python hashseed handling

The decision to set the PYTHONHASHSEED variable and its value is outside
the domain of makepkg and should be handled by a distribution.  Move this
file to the libalpm-dropins project.

Signed-off-by: Allan McRae <allan@archlinux.org>

scripts/libmakepkg/reproducible/meson.build

@@ -1,7 +1,6 @@
 libmakepkg_module = 'reproducible'
 
 sources = [
-  'python.sh.in',
   'source_date_epoch.sh.in',
 ]
 

scripts/libmakepkg/reproducible/python.sh.in

@@ -1,29 +0,0 @@
-#!/bin/bash
-#
-#   python.sh - creating reproducible python packages
-#
-#   Copyright (c) 2021-2024 Pacman Development Team <pacman-dev@lists.archlinux.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 2 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/>.
-#
-
-[[ -n "$LIBMAKEPKG_REPRODUCIBLE_PYTHON_SH" ]] && return
-LIBMAKEPKG_REPRODUCIBLE_PYTHON_SH=1
-
-
-MAKEPKG_LIBRARY=${MAKEPKG_LIBRARY:-'@libmakepkgdir@'}
-
-
-# disable hash randomization when creating .pyc files
-export PYTHONHASHSEED=0