Revert "updated the plural of Property to 'properties' for the admin panel"

This reverts commit ff2f756b1040a1480d4f6076380a9149b6e7ba29.
Revert "Revert "updated the plural of Property to 'properties' for the admin panel""

This reverts commit c5e77ad76146c8d2bba060846e2cd7315f0446d8.