Revert "Fix ByteInput to properly zero bytes"

This reverts commit e583c105b9.

applications/services/gui/modules/byte_input.c

@@ -839,10 +839,6 @@ void byte_input_set_result_callback(
             model->callback_context = callback_context;
             model->bytes = bytes;
             model->bytes_count = bytes_count;
-            // Zero out the bytes
-            for(uint8_t i = 0; i < bytes_count; i++) {
-                model->bytes[i] = 0;
-            }
         },
         true);
 }