put include/export.sh in build script

remove include/export.sh

it's not a lot of code, and build is the only
file that uses it

Signed-off-by: Leah Rowe <leah@libreboot.org>

build

@@ -9,13 +9,32 @@
 set -u -e
 
 . "include/err.sh"
-. "include/export.sh"
 . "include/option.sh"
 
+eval "$(setvars "" mode option project version versiondate aur_notice tmpdir)"
+
+tmpdir_was_set="y"
+set | grep TMPDIR 1>/dev/null 2>/dev/null || tmpdir_was_set="n"
+if [ "${tmpdir_was_set}" = "y" ]; then
+	tmpdir="${TMPDIR##*/}"
+	tmpdir="${TMPDIR%_*}"
+	if [ "${tmpdir}" = "lbmk" ]; then
+		tmpdir=""
+		tmpdir_was_set="n"
+	fi
+fi
+if [ "${tmpdir_was_set}" = "n" ]; then
+	export TMPDIR="/tmp"
+	tmpdir="$(mktemp -d -t lbmk_XXXXXXXX)"
+	export TMPDIR="${tmpdir}"
+else
+	export TMPDIR="${TMPDIR}"
+fi
+tmpdir="${TMPDIR}"
+
 linkpath="${0}"
 linkname="${linkpath##*/}"
 buildpath="./script/${linkname}"
-eval "$(setvars "" mode option project version versiondate aur_notice)"
 
 main()
 {

include/export.sh

@@ -1,22 +0,0 @@
-# SPDX-License-Identifier: MIT
-# SPDX-FileCopyrightText: 2023 Leah Rowe <leah@libreboot.org>
-
-tmpdir=""
-tmpdir_was_set="y"
-set | grep TMPDIR 1>/dev/null 2>/dev/null || tmpdir_was_set="n"
-if [ "${tmpdir_was_set}" = "y" ]; then
-	tmpdir="${TMPDIR##*/}"
-	tmpdir="${TMPDIR%_*}"
-	if [ "${tmpdir}" = "lbmk" ]; then
-		tmpdir=""
-		tmpdir_was_set="n"
-	fi
-fi
-if [ "${tmpdir_was_set}" = "n" ]; then
-	export TMPDIR="/tmp"
-	tmpdir="$(mktemp -d -t lbmk_XXXXXXXX)"
-	export TMPDIR="${tmpdir}"
-else
-	export TMPDIR="${TMPDIR}"
-fi
-tmpdir="${TMPDIR}"