* calc/calc.el (calc-emacs-type-lucid): Remove.
(calc-digit-map, calcDigit-start, calc-read-key)
(calc-clear-unread-commands):
* calc/calc-ext.el (calc-user-key-map): Replace uses of
calc-emacs-type-lucid with (featurep 'xemacs)
* emulation/tpu-mapper.el: Replace tpu-lucid-emacs19-p with
(featurep 'xemacs).
(tpu-lucid-emacs19-p): Remove.
(tpu-map-key): Make it a function instead of using fset. Inline
tpu-emacs-map-key and tpu-lucid-map-key. Use featurep 'xemacs.
(tpu-emacs-map-key, tpu-lucid-map-key): Remove.