Remove unused types.rs file

src/types.rs

@@ -1,10 +0,0 @@
-pub const SIZE: usize = 3072;
-pub type Data = iso7816::Data<SIZE>;
-
-interchange::interchange! {
-    Contact: (Data, Data)
-}
-
-interchange::interchange! {
-    Contactless: (Data, Data)
-}