accountwizard_pop3 - en to ja translation catalogue (2 entries)

note: i18n: ectx: property (text), widget (QLabel, label_2)
en: Incoming server:
ja: 受信サーバ:

note: i18n: ectx: property (text), widget (QLabel, label_4)
en: Outgoing server:
ja: 送信サーバ:
