Use Core Text types/functions/variables/enumerators directly

Use Core Text types/functions/variables/enumerators directly

* src/macfont.h (FontDescriptorRef, FontRef, FontSymbolicTraits)
(CharacterCollection): Remove typedefs.  All uses replaced with
definitions.
(MAC_FONT_NAME_ATTRIBUTE, MAC_FONT_FAMILY_NAME_ATTRIBUTE)
(MAC_FONT_TRAITS_ATTRIBUTE, MAC_FONT_SIZE_ATTRIBUTE)
(MAC_FONT_CASCADE_LIST_ATTRIBUTE)
(MAC_FONT_CHARACTER_SET_ATTRIBUTE, MAC_FONT_LANGUAGES_ATTRIBUTE)
(MAC_FONT_FORMAT_ATTRIBUTE, MAC_FONT_SYMBOLIC_TRAIT)
(MAC_FONT_WEIGHT_TRAIT, MAC_FONT_WIDTH_TRAIT)
(MAC_FONT_SLANT_TRAIT): Remove macros.  All uses replaced with
definitions.
(MAC_FONT_TRAIT_ITALIC, MAC_FONT_TRAIT_BOLD)
(MAC_FONT_TRAIT_MONO_SPACE, MAC_FONT_TRAIT_COLOR_GLYPHS)
(MAC_FONT_FORMAT_BITMAP)
(MAC_CHARACTER_COLLECTION_IDENTITY_MAPPING)
(MAC_CHARACTER_COLLECTION_ADOBE_JAPAN1): Remove enumerators.  All
uses replaced with definitions.
(kCTFontTraitItalic, kCTFontTraitBold, kCTFontTraitMonoSpace)
(kCTFontTraitColorGlyphs, kCTCharacterCollectionIdentityMapping)
(kCTCharacterCollectionAdobeJapan1 kCTFontOrientationDefault): Add
compatibility enumerators for older versions.
(mac_font_descriptor_create_with_attributes)
(mac_font_descriptor_create_matching_font_descriptors)
(mac_font_descriptor_create_matching_font_descriptor)
(mac_font_descriptor_copy_attribute)
(mac_font_descriptor_supports_languages)
(mac_font_create_with_name, mac_font_get_size)
(mac_font_copy_family_name, mac_font_copy_character_set)
(mac_font_get_glyphs_for_characters, mac_font_get_ascent)
(mac_font_get_descent, mac_font_get_leading)
(mac_font_get_underline_position)
(mac_font_get_underline_thickness, mac_font_copy_graphics_font)
(mac_font_copy_non_synthetic_table): Remove macros.  All uses
replaced with definitions.
(mac_font_create_preferred_family_for_attributes)
(mac_font_get_advance_width_for_glyph)
(mac_font_get_bounding_rect_for_glyph)
(mac_font_create_available_families, mac_font_shape): Remove
macros for renamed functions.
(mac_nsctfont_copy_font_descriptor): Remove unused macro.
* src/macterm.m (mac_font_descriptor_supports_languages): Rename
from mac_ctfont_descriptor_supports_languages.
(mac_font_create_preferred_family_for_attributes): Rename from
mac_ctfont_create_preferred_family_for_attributes.
(mac_font_get_advance_width_for_glyph): Rename from
mac_ctfont_get_advance_width_for_glyph.  Use
kCTFontOrientationDefault also for older versions.
(mac_font_get_bounding_rect_for_glyph): Rename from
mac_ctfont_get_bounding_rect_for_glyph. Use
kCTFontOrientationDefault also for older versions.
(mac_font_create_available_families): Rename from
mac_ctfont_create_available_families.
(mac_font_equal_in_postscript_name): Rename from
mac_ctfont_equal_in_postscript_name.  All uses changed.
(mac_font_create_line_with_string_and_font): Rename from
mac_ctfont_create_line_with_string_and_font.  All uses changed.
(mac_font_shape): Rename from mac_ctfont_shape.
(mac_font_family_compare): Remove unused declaration.