Trying to revert SUPEE-10570v1 to apply SUPEE-10570v2, but I'm unable to revert and receiving this code (I have checked all prior patches and they are the correct versions):
app/Mage.php
...
app/locale/en_US/Mage_Catalog.csv
Unreverted patch detected! Ignore -R? [n]
Apply anyway? [n]
Skipping patch.
1 out of 1 hunk ignored
app/locale/en_US/Mage_ImportExport.csv
lib/Zend/Mail/Transport/Sendmail.php