Revert "Target only USB ledger with interface number 0"

This reverts commit 02bc43b094 and
should restore compatibility with Ledgers on MacOS.

src/lib_signer_backends/ledger.ml

@@ -315,12 +315,6 @@ let find_ledgers ?id () =
   log_info "Found %d Ledger(s)" (List.length ledgers) ;
   filter_map_s begin fun device_info ->
     log_info "Processing Ledger at path [%s]" device_info.Hidapi.path ;
-    if device_info.Hidapi.interface_number <> 0
-    then
-      (* HID interfaces get number 0:
-         https://github.com/LedgerHQ/ledger-nano-s/issues/48 *)
-      return_none
-    else
     match Hidapi.(open_path device_info.path) with
     | None -> return_none
     | Some h ->