* lisp.h (DEFINE_GDB_SYMBOL_ENUM): Remove.

* lisp.h (DEFINE_GDB_SYMBOL_ENUM): Remove.

These can generate a constant with the correct value but the wrong
width, which doesn't work as a printf argument.  All uses removed.
Problem reported by Dmitry Antipov in:
http://lists.gnu.org/archive/html/emacs-devel/2014-09/msg00213.html
(ENUMABLE): Remove; no longer needed.
(ARRAY_MARK_FLAG_val, PSEUDOVECTOR_FLAG_val, VALMASK_val):
Remove; no longer needed because of the above change.
Each definiens moved to the only use.