Remove /multiboot

This is just a duplicate of /boot/.temp, and it is not used anymore.

Change-Id: I8a4d6e68829de3ff3628ff0fe15f6d1d0a6b128f

releasetools/Makefile

@@ -98,15 +98,12 @@ do-hdboot:
 	${INSTALL_FILE} $$i $$newname;				\
 	echo ${INSTALL_FILE} $$i $$newname;			\
 	done
-	@cp ${PROGROOT}/minix/kernel/kernel ${DESTDIR}/boot/minix/.temp/
+	@${INSTALL_FILE} ${KERNEL} ${DESTDIR}/boot/minix/.temp/
 	@if [ "${MKINSTALLBOOT:Uno}" != "no" ] ; then		\
 	${STRIP} -s ${DESTDIR}/boot/minix/.temp/* ;		\
 	gzip ${DESTDIR}/boot/minix/.temp/mod* ;			\
 	${HOST_SH} mkboot hdboot ${DESTDIR};			\
 	${HOST_SH} ../minix/commands/update_bootcfg/update_bootcfg.sh;\
-	else							\
-	${INSTALL_DIR} ${DESTDIR}/multiboot;			\
-	${INSTALL_FILE} ${DESTDIR}/boot/minix/.temp/* ${DESTDIR}/multiboot; \
 	fi
 
 # download and update NetBSD reference sources.

releasetools/x86_hdimage.sh

@@ -13,7 +13,7 @@ set -e
 : ${CREATE_IMAGE_ONLY=0}
 
 # Where the kernel & boot modules will be
-MODDIR=${DESTDIR}/multiboot
+MODDIR=${DESTDIR}/boot/minix/.temp
 
 #
 # Directory where to store temporary file system images