Remove the SOME_MACHINE_LISP distinction in src/Makefile.in.

Remove the SOME_MACHINE_LISP distinction in src/Makefile.in.

See discussion in http://debbugs.gnu.org/8302

* configure.in (NS_SUPPORT, MOUSE_SUPPORT, TOOLTIP_SUPPORT)
(WINDOW_SUPPORT): Remove output variables that are no longer used.

* lib-src/makefile.w32-in (echolisp): Remove rule that is no longer needed.
(clean): No more echolisp.tmp.

* .bzrignore: Remove lib-src/echolisp.tmp.

* lisp/emacs-lisp/autoload.el (batch-update-autoloads):
Set autoload-excludes by parsing lisp/loadup.el rather than Makefiles.

* lisp/loadup.el: Update commentary.

* msdos/sed1x.inp (TOOLTIP_SUPPORT, WINDOW_SUPPORT):
* msdos/sed1v2.inp (MSDOS_SUPPORT, NS_SUPPORT, MOUSE_SUPPORT)
(TOOLTIP_SUPPORT, WINDOW_SUPPORT): No need to edit these any more.

* src/Makefile.in (MSDOS_SUPPORT_REAL, MSDOS_SUPPORT, NS_SUPPORT)
(REAL_MOUSE_SUPPORT, GPM_MOUSE_SUPPORT, MOUSE_SUPPORT, TOOLTIP_SUPPORT)
(BASE_WINDOW_SUPPORT, X_WINDOW_SUPPORT, WINDOW_SUPPORT): Remove.
(lisp): Set the order to that of loadup.el.
(shortlisp): Make it a copy of $lisp.
(SOME_MACHINE_LISP): Remove.
($(etc)/DOC): Depend just on $lisp, not $SOME_MACHINE_LISP too.
Use just $shortlisp, not $SOME_MACHINE_LISP too.