[I18N] Update translation terms from Transifex

addons/hr_gamification/i18n/id.po

addons/hr_gamification/i18n/ja.po

addons/hr_holidays/i18n/lv.po

addons/hr_maintenance/i18n/ja.po

addons/hr_org_chart/i18n/ja.po

addons/hr_presence/i18n/ja.po

addons/hr_presence/i18n/lv.po

addons/hr_recruitment/i18n/it.po

addons/hr_recruitment_survey/i18n/ja.po

addons/hr_skills/i18n/lv.po

addons/hr_timesheet/i18n/lv.po

addons/hr_timesheet/i18n/ru.po

addons/hr_work_entry/i18n/ja.po

addons/iap/i18n/lv.po

addons/im_livechat/i18n/id.po

addons/im_livechat/i18n/it.po

addons/link_tracker/i18n/he.po

addons/lunch/i18n/id.po

addons/mail/i18n/id.po

addons/mail/i18n/it.po