l10n: updated Romanian (ro)
l10n: updated Romanian (ro)

contributors:
  robbpa

updated from:
  repo: https://github.com/freedomofpress/securedrop-i18n
  commit: b8f856cbdb9cc9fa844213d8d5f4b467672c4218

conorsch/securedrop,conorsch/securedrop,conorsch/securedrop,conorsch/securedrop,conorsch/securedrop