Remove Japanese options.

Author: scossu

scriptshifter/tables/data/japanese_hiragana.yml

@@ -190,15 +190,6 @@ inuit_cyrillic:
 inuktitut:
   marc_code: iku
   name: Inuktitut
-japanese_hiragana:
-  marc_code: jpn
-  name: Japanese (Hiragana)
-japanese_kanji:
-  marc_code: jpn
-  name: Japanese (Kanji)
-japanese_katakana:
-  marc_code: jpn
-  name: Japanese (Katakana)
 kabardian_cyrillic:
   alias_of: cyrillic_generic
   marc_code: kbd