Delete useless ble module

Author: yogh333

ledger_device_sdk/src/lib.rs

@@ -7,9 +7,6 @@
 #![feature(generic_const_exprs)]
 #![feature(cfg_version)]
 
-#[cfg(any(target_os = "nanox", target_os = "stax", target_os = "flex"))]
-pub mod ble;
-
 pub mod ecc;
 pub mod hash;
 pub mod hmac;