[mob] Remove unused files

mobile/lib/face/utils/import_from_zip.dart

@@ -1,44 +0,0 @@
-// import "dart:io";
-
-import "package:dio/dio.dart";
-import "package:logging/logging.dart";
-import "package:photos/core/configuration.dart";
-import "package:photos/core/network/network.dart";
-import "package:photos/face/model/face.dart";
-
-final _logger = Logger("import_from_zip");
-Future<List<Face>> downloadZip() async {
-  final List<Face> result = [];
-  for (int i = 0; i < 2; i++) {
-    _logger.info("downloading $i");
-    final remoteZipUrl = "http://192.168.1.13:8700/ml/cx_ml_json_${i}.json";
-    final response = await NetworkClient.instance.getDio().get(
-          remoteZipUrl,
-          options: Options(
-            headers: {"X-Auth-Token": Configuration.instance.getToken()},
-          ),
-        );
-
-    if (response.statusCode != 200) {
-      _logger.warning('download failed ${response.toString()}');
-      throw Exception("download failed");
-    }
-    final res = response.data as List<dynamic>;
-    for (final item in res) {
-      try {
-        result.add(Face.fromJson(item));
-      } catch (e) {
-        _logger.warning("failed to parse $item");
-        rethrow;
-      }
-    }
-  }
-  final Set<String> faceID = {};
-  for (final face in result) {
-    if (faceID.contains(face.faceID)) {
-      _logger.warning("duplicate faceID ${face.faceID}");
-    }
-    faceID.add(face.faceID);
-  }
-  return result;
-}