[tx-robot] updated from transifex

apps/files/l10n/de.php

apps/files/l10n/de_DE.php

apps/files/l10n/fi_FI.php

apps/files/l10n/it.php

apps/files/l10n/pt_BR.php

apps/files/l10n/ro.php

apps/files/l10n/ru.php

apps/files_trashbin/l10n/ro.php

apps/user_ldap/l10n/ru.php

core/l10n/ar.php

core/l10n/bg_BG.php

core/l10n/bn_BD.php

core/l10n/ca.php

core/l10n/cs_CZ.php

core/l10n/cy_GB.php

core/l10n/da.php

core/l10n/de.php

core/l10n/de_CH.php

core/l10n/de_DE.php

core/l10n/el.php