Chenzhiran patch 5 Update zh-HANS.coffee (#5306)
Chenzhiran patch 5 Update zh-HANS.coffee (#5306)

* Update zh-HANS.coffee

* fix supprt email address

update china support email with bill@codecombat.com
javatlacati/codecombat,javatlacati/codecombat,jeremiahyan/codecombat,jeremiahyan/codecombat,javatlacati/codecombat,javatlacati/codecombat,codecombat/codecombat,javatlacati/codecombat,jeremiahyan/codecombat,codecombat/codecombat,codecombat/codecombat,codecombat/codecombat,jeremiahyan/codecombat,codecombat/codecombat