* configure.in: Remove redundant handling of mips*-dec-bsd*. Likewise

	for mipstx39-*-*. Disable libgloss for mips64*-*-linux*.
	* configure: Regenerate.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@117230 138bc75d-0d04-0410-961f-82ee72b054a4