* configure.in: remove no-op mips-dec-bsd* in "case $target"

* Makefile.in (dir.info): only run gen-info-dir if it exists,
	(install-info): install dir.info only if it exists,
	(all-expect, install-expect): pass along X11_FLAGS_TO_PASS

configure.in

@@ -147,8 +147,6 @@ fi
 #esac
 
 case "${target}" in
-  mips-dec-bsd*)
-    ;;
   mips-*-*)
     configdirs=`echo ${configdirs} | sed -e 's/gas//'`
     ;;