* Makefile.tpl: Use shared multilib.out. Use move-if-change for it.

	Convert (cd foo; make) to (cd foo && make).  Clean up multilib.out.
	* Makefile.in: Regenerate.
	* configure.in: Remove unnecessary leftovers.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@60441 138bc75d-0d04-0410-961f-82ee72b054a4