* emacs.c (inhibit_x_resources): Update doc string for NS.

* emacs.c (inhibit_x_resources): Update doc string for NS.
	(main) [HAVE_NS]: Don't process --no-init-file option.  Remove
	legacy code for -NXHost.

	* nsterm.h (ns_no_defaults): Remove.

	* nsterm.m (ns_no_defaults): Remove.
	(ns_term_init): Switch ns_no_defaults -> inhibit_x_resources.
	(ns_use_qd_smoothing): Remove legacy variable.

	* nsfont.m (nsfont_draw) [NS_IMPL_COCOA]: Don't use
	ns_use_qd_smoothing.

	* nsfns.m (x_get_string_resource): Ape just-previous changes to other
	platform versions.  Drop support for emacs-20-style face specs.