Strip \ufeff if system cannot support unicode (#5145)
Strip \ufeff if system cannot support unicode (#5145)

* perform a codecs check and remove unicode \ufeff if utf-8 is not present

* delint

alexgorban/models,tombstone/models,tombstone/models,derekjchow/models,alexgorban/models,cshallue/models,derekjchow/models,cshallue/models,tombstone/models,cshallue/models,tombstone/models,cshallue/models,cshallue/models,alexgorban/models,derekjchow/models,tombstone/models,alexgorban/models,derekjchow/models,derekjchow/models,tombstone/models,alexgorban/models