[tx-robot] updated from transifex

apps/files/l10n/az.js

apps/files/l10n/az.json

apps/files/l10n/en_GB.js

apps/files/l10n/en_GB.json

apps/files/l10n/ja.js

apps/files/l10n/ja.json

apps/files_external/l10n/az.js

apps/files_external/l10n/az.json

apps/files_external/l10n/en_GB.js

apps/files_external/l10n/en_GB.json

apps/user_ldap/l10n/el.js

apps/user_ldap/l10n/el.json

apps/user_webdavauth/l10n/sr.js

apps/user_webdavauth/l10n/sr.json

core/l10n/en_GB.js

core/l10n/en_GB.json

core/l10n/ja.js

core/l10n/ja.json

lib/l10n/de.js

lib/l10n/de.json