[tx-robot] updated from transifex

apps/files/l10n/cs_CZ.php

apps/files/l10n/he.php

apps/files/l10n/pl.php

apps/files_encryption/l10n/cs_CZ.php

apps/files_encryption/l10n/pl.php

apps/files_external/l10n/cs_CZ.php

apps/files_external/l10n/he.php

apps/files_sharing/l10n/pl.php

core/l10n/cs_CZ.php

core/l10n/pl.php

l10n/ach/core.po

l10n/ach/lib.po

l10n/ach/settings.po

l10n/ady/core.po

l10n/ady/lib.po

l10n/ady/settings.po

l10n/af_ZA/core.po

l10n/af_ZA/lib.po

l10n/af_ZA/settings.po

l10n/ak/core.po