Noticed due to the change in es_PE as of
bd4b06fc

See also
https://ssl.icu-project.org/icu-bin/locexp?d_=en&_=es_AR
https://ssl.icu-project.org/icu-bin/locexp?d_=en&_=es_PY

Change-Id: I60e35a14a515a4e6e0d91aacf2a3540f31928415