Remove unused code and file

Author: muzahidul-opti

lib/src/utils/platform_service.dart

@@ -14,11 +14,14 @@
 /// limitations under the License.                                           *
 ///**************************************************************************/
 
-import 'dart:io' show Platform;
-
+import 'dart:io' show Directory, FileSystemException, Platform;
+import 'dart:io' show File;
 import 'package:optimizely_flutter_sdk/src/user_context/optimizely_user_context.dart';
 import 'package:optimizely_flutter_sdk/src/utils/constants.dart';
 import 'package:optimizely_flutter_sdk/src/data_objects/log_level.dart';
+import 'package:package_info_plus/package_info_plus.dart';
+import 'package:yaml/yaml.dart';
+
 
 
 class Utils {
@@ -103,7 +106,4 @@ class Utils {
     return logLevel.toString().split('.').last;  
   }
 
-  static Future<String> getSdkVersion() async {
-    return "test-2.0.0";
-  }
 }

lib/src/utils/utils.dart

@@ -23,8 +23,6 @@ import 'package:optimizely_flutter_sdk/src/utils/constants.dart';
 import 'package:optimizely_flutter_sdk/src/utils/utils.dart';
 import 'dart:io';
 import 'dart:convert';
-
-import 'moc_platform_service.dart';
 import 'test_utils.dart';
 
 void main() {
@@ -1556,21 +1554,5 @@ void main() {
   });
 
   group("arbitary client name", () {
-    test("testClientNameForAndroid", () async {
-      final mocSercice = MocAndroidPlatformService();
-      final clinetName = Utils.getSdkClientName(mocSercice);
-      expect("flutter/android-sdk", clinetName);
-    });
-    test("testClientNameForiOS", () async {
-      final mocSercice = MociOSPlatformService();
-      final clinetName = Utils.getSdkClientName(mocSercice);
-      expect("flutter/swift-sdk", clinetName);
-    });
-
-     test("testClientNameForOther", () async {
-      final mocSercice = MocNotSupportedPlatformService();
-      final clinetName = Utils.getSdkClientName(mocSercice);
-      expect("flutter-sdk", clinetName);
-    });
   });
 }