[zanata/zanata-platform] 620012: refactor: remove defaultMessage from messages json

[GitHub]

  Branch: refs/heads/efloden/i18n-workflow/ZNTA-2409
  Home:   https://github.com/zanata/zanata-platform
  Commit: 620012440bbeefdde96b5bd9f4a42f19f9345142
      https://github.com/zanata/zanata-platform/commit/620012440bbeefdde96b5bd9f4a42f19f9345142
  Author: efloden <efloden at redhat.com>
  Date:   2018-03-23 (Fri, 23 Mar 2018)

  Changed paths:
    M server/zanata-frontend/src/.gitignore
    M server/zanata-frontend/src/messages/ja.json
    M server/zanata-frontend/src/scripts/extract-messages.js

  Log Message:
  -----------
  refactor: remove defaultMessage from messages json