Refactor Japanese transforms (#1413)

* refactor description

* update -ta jp name

* rename kansai-ben past to -ta

* rename past to -ta

* !

* rename adv to -ku

* description n slang jp

* update n-slang jp

* .

* remove useless conditions out v5s,

* add test for ['short causative', 'passive']

* タ形

* romaji to kana

* mistake

* Update japanese-transforms.test.js

* i18n v5s

* lint

* te-form -> て-form

* rename romaji form name to kanji

* update n slang ja desc

* small ゃ

* rename jp form

* lint

* remove imperative negative and keep its slang

* remove negative imperative test

* .

* rename to いる,おく

* remove term slang

* update jp description

benches/japanese-language-transformer.bench.js

@@ -133,7 +133,6 @@ describe('japanese language transformer', () => {
             'こさせない',
             'こささない',
             'こさせられない',
-            'くるな',
             'きまして',
             'くれば',
             'きちゃう',
@@ -203,7 +202,6 @@ describe('japanese language transformer', () => {
             'ささない',
             'させられない',
             'せさせられない',
-            'するな',
             'しまして',
             'すれば',
             'しちゃう',