Bug 1068514 - Remove abandoned gfx-only Japanese and Traditional Chinese encodings and the remains of IBM943 (OS/2 Shift_JIS variant). r=emk.
Bug 1068566 - Remove ISO-IR-111. r=emk.
Bug 1068568 - Remove classes for the -I and -E variants of ISO-8859-6 and -E variant of ISO-8859-8. r=emk.