params cmd: be less verbose

Signed-off-by: Roman <bapstroman@gmail.com>

src/modules/systemlib/param/param.c

@@ -1275,8 +1275,8 @@ param_import_internal(int fd, bool mark_saved)
 	int result = -1;
 
 	if (bson_decoder_init_file(&decoder, fd, param_import_callback, &state)) {
-		PX4_ERR("decoder init failed");
-		goto out;
+		PX4_WARN("decoder init failed");
+		return -ENODATA;
 	}
 
 	state.mark_saved = mark_saved;
@@ -1287,12 +1287,6 @@ param_import_internal(int fd, bool mark_saved)
 
 	} while (result > 0);
 
-out:
-
-	if (result < 0) {
-		PX4_ERR("BSON error decoding parameters");
-	}
-
 	return result;
 }