[tx-robot] updated from transifex

apps/files/l10n/ko.js

apps/files/l10n/ko.json

apps/files_external/l10n/ko.js

apps/files_external/l10n/ko.json

apps/files_sharing/l10n/ko.js

apps/files_sharing/l10n/ko.json

apps/files_trashbin/l10n/id.js

apps/files_trashbin/l10n/id.json

apps/settings/l10n/el.js

apps/settings/l10n/el.json

core/l10n/de.js

core/l10n/de.json

core/l10n/ko.js

core/l10n/ko.json

lib/l10n/ko.js

lib/l10n/ko.json